JP2013144573A - Content discharging mechanism unit, content discharging mechanism with the content discharging mechanism unit, and aerosol type product with them - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a content discharging mechanism unit having functions of strong and weak pulse discharging alternately repeating large amount discharging and small amount discharging of an aerosol type product and vibration discharging weakly vibrating a discharge opening side.SOLUTION: A discharging unit (a unit body 4 + a gear 5) is attached to a stem 3. In a discharge mode in which an outflow part 4c is applied to a scalp 7, the gear 5 is rotated by the pushing action of content and liquified gas from the inflow part 4a. Liquid accumulation spaces 6a, 6b, 6c between mountain parts 5a are filled with the content and the liquified gas in series along with the rotation and the content of the space 6a coming to a position of an outflow part 4c is discharged in a large amount. In a transition stage to the large amount discharging from the next liquid accumulation space 6b, a discharging state becomes a small amount discharging state through a clearance area between the distal end part of the mountain part 5a and the inner peripheral face of the unit body 4. It is also disclosed that a cover for amplifying sound (warning sound) generated along with the rotation of the gear is arranged and the outflow part 4c is vibrated by the colliding action of an annular space area formed an inside of a center of the gear and the ball inside of the same.

Description

  The present invention relates to a content injection mechanism unit (hereinafter simply referred to as “injection unit” as necessary) attached to a stem of an aerosol type product.

  In particular, in the injection mode in which the stem valve action part is continuously open, a strong and weak pulse injection state in which the contents are alternately repeated in a large quantity and a small quantity is set. The present invention relates to a content injection mechanism unit capable of setting a vibration injection state in which a small vibration is given to the content outflow portion (injection port).

  The present invention also relates to a content injection mechanism that actively transmits to the outside a sound generated based on an interaction between a content flowing into the injection unit and a gear-like rotator inside the unit, which will be described later.

  Conventionally, it has been proposed to periodically switch the content injection amount in the injection mode of the aerosol type product by the action of a content injection amount switching mechanism disposed inside an operating member attached to the stem (the following patent) Reference 1).

  In this conventional content injection amount switching mechanism, the piston valve member is elastically urged in a content passage space area inside the operation member communicating with the injection port in a direction to set the injection port side to a closed state. It consists of a round shape.

Here, as a component of the content injection amount switching, in addition to the piston valve member,
A coil spring as an elastic member. An inflow on-off valve attached to the piston valve member to open and close an inflow path from the stem to the inside of the operation member. A support member that receives one end of the coil spring and guides the movement of the piston valve member. and so on.

  For example, when the operation member is pressed and the valve action portion of the stem shifts to the open state (injection mode), the piston valve member is opened from the closed position on the injection port side by the pressure of the contents flowing into the operation member through the stem. Move to a position while resisting elastic force.

  By the movement of the piston valve member to the open position, the content that has already flowed from the stem into the content passage space region inside the operation member is injected from the injection port into the external space region. That is, “content injection is present”.

  Further, as the piston valve member moves to the open position, the inflow path from the stem to the content passage space in the operation member is closed by the closing action of the inflow on / off valve attached to the piston valve member. Thus, the inflow of contents from the stem is once terminated.

  With the end of the inflow of the contents, the piston valve member returns to its initial closed position by the action of the elastic force, and the content injection state is “the contents of the stem valve action portion still open” Transition to “No injection”.

  By returning the piston valve member to the closed position, the inflow path from the stem to the content passage space inside the operation member is opened again, and in the content injection state, the content flows into the operation member and the piston valve member The state moves to the open position, that is, shifts to the above-described “content injection” state.

  That is, in the injection mode in which the operation member is continuously pressed, the pulse injection operation in which “with content injection” and “with content injection” are alternately repeated to the external space region is executed.

No. 8-9033

  Thus, in the “pulse injection operation” of the conventional aerosol type product, “with content injection” and “with content injection” are alternately repeated. That is, only intermittent injection of contents is performed.

  In addition, the above-described piston valve member, coil spring, inflow on-off valve and support member are used as components inside the operation member for switching the content injection state, and the number of parts is large, and the content injection amount switching mechanism There were problems such as complicated assembly work.

  Therefore, in the present invention, the content passage space area of the injection unit attached to the stem (comprising the inflow section, the outflow section, and the content passage space area between them) is driven by the action of the inflow contents. Rotation in which a protruding convex portion and a concave portion between adjacent convex portions (hereinafter, the convex portion and the concave portion are referred to as “gear shape” as necessary) are formed in the circumferential direction of the outer peripheral surface. A pulse injection mechanism with a new concept of providing a body is adopted. Also, it is assumed that liquefied gas for injection is used.

  By adopting this gear shape, etc., the stored contents of the reservoir (concave part) between the adjacent convex parts in a state facing the outflow part, from the outflow part by the action of the liquefied gas coexisting at once, Even in a transient state in which the injection is sequentially performed and the transition from the injection of the first reservoir portion to the injection of the second reservoir portion adjacent thereto is performed, the gap between the tip of the convex portion and the inner surface of the content passage space area A small amount of content is injected through the clearance gap.

  In other words, by alternately performing a large amount injection and a small amount injection of the contents, an object is to enrich the technology related to the pulse injection of the contents of the aerosol type product, and to make the user side more convenient.

  In addition, the pulse injection component inside the injection unit is a rotating body having a gear shape or the like, thereby reducing the number of parts of the injection unit as a whole, reducing production costs, and simplifying assembly work. Objective.

  In addition, an annular space region or a spherical space region is formed in the inner rotating part of the rotating body having a gear shape or the like (the inner rotating part where no gear shape or the like exists), and for example, a spherical ball is arranged therein, and an injection mode As the rotating body rotates, the injection unit flows out of contact with the injection target site such as the user's scalp by causing an intermittent collision action between the ball and the inner surface of the annular space. The purpose is to improve the feeling of use by vibrating the part.

  In addition, the sound generated based on the interaction described later between the contents flowing into the injection unit and the gear-shaped rotating body inside the unit is positively transmitted to the outside, thereby confirming the injection operation confirmation sound such as an insecticide and the insecticide injection. The purpose is to improve the usability by operating as an alarm sound, making the environment of the aerosol type product convenient and safer, and also operating as a soothing sound, sound effect, etc. And

The present invention solves the above problems as follows.
(1) Attached to a stem (for example, stem 3 to be described later) having a valve action for injecting the contents of an aerosol container body (for example, an aerosol container body 1 to be described later) and having a passage area for passing the contents In a content injection mechanism unit (for example, an injection unit main body 4, 8, a gear 5, 5 ', 9, a rotating body 5''described later),
An inflow portion of contents that have passed through the passage area (for example, inflow portions 4a and 8a described later);
A closed space region for passing contents having a circumferential inner surface portion continuing from the inflow portion (for example, content passing space regions 4b and 8b described later);
Outflow portions of contents (for example, outflow portions 4c and 8c described later) formed on the inner surface portion at positions spaced apart from the inflow portion in the circumferential direction;
Flying convex portions (for example, peak portions 5a, 5a ', 9a described later, flat plate convex portions 5a, which are disposed in the closed space area and are driven by the pressing action of the contents flowing in from the inflow portion. '') And a concave portion between adjacent convex portions (for example, groove portions 5b, 5b ′, a concave portion 5b ″, which will be described later, a liquid pool space region 9b) in the circumferential direction of the outer peripheral surface (for example, Gears 5, 5 ′, 9 and rotating body 5 ″) described below,
A gap through which the contents pass is set between the tip portion of the convex portion and the inner surface portion.
Use one with a configuration.
(2) In (1) above,
The closed space for passing the contents is:
A parallel disc portion (for example, a bottom portion of a bottomed cylindrical portion 4d described later, a circular side plate portion 4e) and a cylindrical portion (for example, a portion including the inflow portion and the outflow portion) that exist between the parallel disc portions. A cylindrical portion of the bottomed cylindrical portion 4d described later), and an internal space region defined by
The rotating body is
A disk-shaped rotating body,
Use one with a configuration.
(3) In the above (1) and (2),
The shorter distance D1 in the inner surface portion in the circumferential direction between the inflow portion and the outflow portion, and the shorter distance D2 in the inner surface portion in the circumferential direction between the adjacent tip portions,
“Distance D1> Distance D2” is set,
The gap is
It is a small gap that acts as a content passage area at the time of small amount injection following the large amount injection of the stored content of the concave portion in a state where the arbitrary concave portion is opposed to the outflow portion.
Use one with a configuration.
(4) In (1) and (2) above,
The rotating body is
It is a space area of the inner rotating portion where the convex portion and the concave portion are not set, and an inner surface continuous in the rotation direction and a convex portion for collision (for example, a rib-shaped portion 5e described later) formed on the inner surface. ', 5e'') having a vibration injection space area (for example, annular space areas 5d', 5d '' described later),
A rotating object (for example, balls 5f ′ and 5f described later) disposed in the space for vibration injection and falling and hitting the inner surface after moving upward by hitting the collision convex portion as the rotating body rotates. ))
Use one with a configuration.
(5) In (4) above,
The vibration jet space area is:
An annular space region composed of an outer inner peripheral surface on which the collision convex portion is formed and an inner inner peripheral surface (for example, outer peripheral surfaces of rotation shafts 5c ′ and 5c ″ described later) opposite thereto,
The circumferentially rotated object is
It falls after moving upward and hitting the inner peripheral surface,
The one with the configuration is used.
(6) The content injection mechanism unit of (1) to (5) above,
A sound amplifying cover attached to the aerosol container main body and exhibiting a wall effect of a side surface range of the rotating body,
A content injection mechanism is used.

  The present invention is directed to a content injection mechanism unit, a content injection mechanism having the above characteristics, and an aerosol type product including the content injection mechanism unit and the content injection mechanism.

The present invention adopts the above configuration,
(11) Contents of aerosol-type products will be enriched in technology related to pulse injection, and as a result, the convenience of users will be improved.
(12) Reduce the number of parts in the entire content injection mechanism unit, reduce production costs, and simplify assembly work.
(13) The jet unit outflow part that is in contact with the jetting target site such as the user's scalp is vibrated to improve the feeling of use.
(14) Convenient and safer use environment for aerosol type products, and improve usability in scalp injection type.
You can do that.

It is explanatory drawing which shows the stationary mode of the content injection mechanism using a gear without a ball | bowl. It is explanatory drawing which shows the injection mode (no vibration injection, many injections) of the content injection mechanism of FIG. It is explanatory drawing which shows the injection mode (no vibration injection, a small amount injection) of the content injection mechanism of FIG. It is explanatory drawing which shows the injection mode of the content injection mechanism using a gear with a ball | bowl (vibration injection and a large amount injection at the time of a ball | bowl under collision). It is explanatory drawing which shows the injection mode (the vibration injection and the small amount injection at the time of a collision on a ball | bowl) of the content injection mechanism using a gear with a ball | bowl. It is explanatory drawing which shows the partial cross section state of FIG. It is explanatory drawing which shows the injection mode of the content injection mechanism using a rotating body with a ball | bowl (non-gear shape) (there is no large and small amount strong and weak pulse injection at the time of vibration injection and collision under the ball). It is explanatory drawing which shows the injection mode (there is no vibration injection and there is a lot of small and strong pulse injection) of the contents injection mechanism provided with the cover for sound expansion.

  The form for implementing this invention is demonstrated using FIGS. 1-8.

  In the following description using FIGS. 1 to 8, it is assumed that the spray target is a liquid hair restorer in FIGS. 1 to 7 and an insecticide in FIG.

  In these drawings, the component indicated by the reference number with alphabet (for example, the inflow portion 4a) indicates that in principle, it is a part of the component with the reference number without alphabet (for example, the injection unit main body 4).

1 to 8,
1 is an aerosol container body containing various contents and propellant (liquefied gas),
1a is a shoulder cover (FIG. 8) fixed to the upper end side of the body portion of the aerosol container body by winding or the like.
1b is a well-known annular recess (FIG. 8) formed below the fixed part of the aerosol container body and the shoulder cover 1a.
2 is a known mounting cap attached to the opening of the aerosol container body 1;
3 is provided in a well-known housing (not shown) attached to the mounting cap 2, exhibits a discharge valve action for injecting the contents of the aerosol container body 1 into the external space area by the contents injection operation, and the contents Well-known stem (valve) with passage area for passing goods,
Respectively.

1-7,
4 is an injection unit body attached to the output side of the stem 3;
4a is an inflow portion of the injection unit main body that extends from the output side of the stem 3 in the vertical direction in the figure,
4b is a content passage space area of the injection unit main body (closed space area for content passage) following the output side of the inflow portion 4a,
4c is the outflow part (injection port) of the said injection | pouring unit main body which leads from the space area 4b for content passage to the exterior in the up-down direction of illustration
4d is one component of the injection unit main body, which is a petri dish-shaped bottomed cylindrical portion (cylindrical portion + one of parallel disks),
4e is the other component of the injection unit main body, and a circular side plate portion (the other of the parallel disks) that defines the content passage space 4b together with the bottomed cylindrical portion 4d,
4f is a pair of concave portions formed at the center portions of the inner surfaces of the bottomed cylindrical portion 4d (the bottom portion thereof) and the circular side plate portion 4e, respectively, for receiving rotation shafts 5c and 5c ′ described later,
4g is a portion having a larger diameter than the inflow portion 4a and an opening on the content inflow side to which the stem 3 is attached;
Respectively.

Also,
5 is a single gear without a ball having a flat plate shape (disk-shaped rotating body: FIGS. 1 to 3) provided in a rotatable manner in the content passage space 4b.
5a is a total of 12 peak portions (convex portions) having a clearance gap of a predetermined length between the inner peripheral surface of the bottomed cylindrical portion 4d,
5b is a total of 12 grooves (concave parts),
5c is a convex rotating shaft formed on the outer side from the center part of the left and right side surfaces (upper surface and lower surface) of the gear, and held by the pair of concave portions 4f as in FIG.
5 'is a single gear with a ball having a bottomed cylindrical shape provided in a rotatable manner in the content passage space 4b (disk-shaped rotating body: FIGS. 4 to 6),
5a ′ is a total of 12 peak portions (convex portions) having a clearance clearance of a predetermined length between the inner peripheral surface of the bottomed cylindrical portion 4d,
5b 'is a total of 12 grooves (concave parts),
5c ′ is a linear single-shaped rotating shaft formed in such a manner as to be continuous from the center of the bottom surface of the gear to both sides thereof,
5d ′ is an annular space region (vibration injection space region) having a groove shape set in the inner rotation portion of the gear (the middle portion where the crest portion 5a and the groove portion 5b are not formed),
5e ′ is a total of six rib-shaped portions having a partial circumferential surface shape of a column formed on the outer peripheral surface of the annular space 5d ′ at substantially equal intervals and in the same direction as the rotation shaft 5c ′.
5f ′ is a spherical ball (circumferentially rotating object) arranged in a freely rotatable manner in the annular space 5d ′;
Respectively.

Also,
5 ″ is a single rotating body with a ball having a bottomed cylindrical shape provided in a rotatable manner in the content passage space 4b (disk-shaped rotating body: FIG. 7),
5a '' is formed in such a manner that it is inclined rearward in the width direction (direction orthogonal to the drawing) of the outer peripheral surface of the rotating body, and has a total of twelve locations having gaps with the inner peripheral surface of the bottomed cylindrical portion 4d. Flat plate,
5b ″ is a total of 12 V-shaped valley-shaped concave portions set between adjacent flat plate-shaped convex portions,
5c ″ is formed in a form that is continuous from the center of the bottom surface of the rotating body to both sides thereof, and is a linear single-shaped rotating shaft that is held in a pair of concave portions 4f, as in FIG.
5d ″ is a groove-shaped annular space (vibration jetting space) set in the inner rotating portion of the rotating body (inner side portion where the flat plate-like convex portion 5a ″ and the concave portion 5b ″ are not formed). Area),
5e ″ is a rib shape consisting of a part of the peripheral surface of a total of six cylinders formed on the outer peripheral surface of the annular space 5d ″ at substantially equal intervals and in the same direction as the rotation shaft 5c ″. Department,
5f ″ is a ball (circumferentially rotating object) having the same shape as the ball 5f ′, arranged in a freely rotatable manner in the annular space 5d ″.
Respectively.

Also,
6 is a total area defined by the adjacent peak portions 5a and 5a ′, the groove portions 5b and 5b ′ between the peak portions, and the opposed inner surface portions of the bottomed cylindrical portion 4d and the circular side plate portion 4e. Two liquid pool spaces (Figs. 1-6),
6a to 6d are a total of four continuous liquid pool space regions located on the short inner peripheral surface side of the content passage space region 4b from the inflow portion 4a to the outflow portion 4c in the illustrated gears 5 and 5 '.
7 is the scalp which is the injection target part of the contents,
L is a state of a large amount of injection from the outflow part 4c (FIGS. 2 and 4),
S is a small amount injection state from the outflow part 4c (FIGS. 3 and 5),
D1 is the distance of the short part in the circumferential direction (periphery direction of the circular side plate part 4e) between the inflow part 4a and the outflow part 4c,
D2 is a distance in the circumferential direction (periphery direction of the circular side plate portion 4e) between the adjacent peak portions 5a and 5a ′,
Respectively.

In FIG.
8 is an injection unit main body having a bottomed cylindrical shape (the shape of the cylindrical portion itself with the inflow portion and the outflow portion discarded is the same as that of FIGS. 1 to 7) attached to the output side of the stem 3;
8a is an inflow portion of the injection unit main body that extends from the output side of the stem 3 in the vertical direction in the figure,
8b is a content passage space area of the injection unit main body (closed space area for content passage) following the output side of the inflow portion 8a,
8c is an outflow part of the injection unit main body that leads from the content passage space 8b to the outside in the horizontal direction in the figure,
8d is a portion having a larger diameter than the inflow portion 8a, and an opening portion on the content inflow side to which the stem 3 is attached,
Respectively.

Also,
9 is a single gear without a ball made of a flat plate, provided in a rotatable manner in the content passage space 8b,
9a is a total of eight peak portions (convex portions) having a clearance clearance of a predetermined length between the cylindrical inner peripheral surface of the injection unit main body 8;
9b is a total of eight liquid storage space areas (concave portions) formed between adjacent peak portions 9a,
9c is formed outward from the central portion of the left and right side surfaces (upper surface and lower surface) of the gear, and is held by a pair of concave portions provided on the inner peripheral surface of the injection unit body 8 as in FIGS. A convex rotation axis,
10 is a nozzle tip attached to the outlet side of the outflow portion 8c,
10a is an injection port provided in the nozzle tip,
Respectively.

Also,
11 is a cylindrical cover body (sound expansion cover body) that is held in engagement with the aerosol container body side (ring-concave portion 1b) even during the content injection operation.
11a is a plurality of convex portions that are formed on the inner peripheral surface portion of the lower end side of the cover body and fit with the annular concave portion 1b of the aerosol container body 1,
11b is a press-rotating operation unit,
11c is a connecting portion that acts as a rotation center axis when the operating portion 11b is pressed;
11d is a cover body portion corresponding to both sides (the front and back surfaces of the drawing) of the operation portion 11b, and a pair of upright extending portions exhibiting wall effects in both side surfaces of the operation portion and the injection unit body 8;
Respectively.

  Among the above components, the stem 3, the injection unit main body 4, the gears 5, 5 ′, the rotating body 5 ″, the injection unit main body 8, the gear 9, the nozzle tip 10 and the cover body 11 are made of nylon, polyacetal, polyethylene. , Polypropylene, polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, or other synthetic resin or metal. The balls 5f ′ and 5f ″ are made of metal, synthetic resin, or glass.

The aerosol container body 1 and the mounting cap 2 are made of metal.
As the aerosol container main body 1, the mounting cap 2, the stem 3, and the like, ready-made parts can be used.

  The injection unit main body 4 is obtained by fixing the circular side plate portion 4e to the bottomed cylindrical portion 4d loaded with the gears 5, 5 ′ and the rotating body 5 ″ by a technique such as welding. Of course, any other fixing means may be used. The method of creating the injection unit main body 8 loaded with the gear 9 in FIG. 8 is the same.

If you give just one example of numerical values such as the clearance gap above,
-Inner diameter of bottomed cylindrical portion 4d (content passage space 4b): 20.0mm
A first clearance clearance between the inner peripheral surface of the bottomed cylindrical portion 4d and the tip portions of the peaks 5a and 5a ′: 0.05 mm (FIGS. 1 to 6)
・ Gap between the inner peripheral surface of the bottomed cylindrical portion 4d and the tip portion of the flat plate convex portion 5a '': 0.3 mm (FIG. 7)
The upper and lower surfaces of each of the gears 5 and 5 ′ and the rotating body 5 ″ (parallel surfaces to the paper surface of FIGS. 1 to 5 and 7), and the inner planes of the bottomed cylindrical portion 4d and the circular side plate portion 4e, Small clearance for the second clearance between: 0.05mm
-Diameter of rotating shaft 5c '(≈' inner diameter of annular space 5d): 3.6mm
・ 'Outer diameter of annular space 5d (part without rib): 12.8mm
・ Maximum height (maximum thickness) of rib-like part 5e ': 0.4mm
・ Ball 5f 'diameter: 4.0mm
-Diameter of rotating shaft 9c: 1-5mm (Fig. 8)
A third clearance clearance between the inner peripheral surface of the injection unit main body 8 and the tip (protruded portion) 9a: 0.05 to 0.2 mm (FIG. 8)
A fourth clearance clearance between the upper surface and the lower surface of the gear 9 (a surface parallel to the paper surface of FIG. 8) and the inner plane of the injection unit body 8 (a surface parallel to the paper surface of FIG. 8): 0.05 ~ 0.2 (Fig. 8)
Etc.

Here, the inflow portions 4a and 8a and the outflow portions 4c and 8c of the injection unit main bodies 4 and 8 are
A small gap between the liquid pool space area 6 and the tips of the peaks 5a and 5a ′ and the inner peripheral surface of the bottomed cylindrical portion 4d (FIGS. 1 to 6)
A gap between the tip of the flat plate-shaped convex portion 5a ″ and the inner peripheral surface of the bottomed cylindrical portion 4d (FIG. 7)
The gap between the liquid pool space 9b and the inner peripheral surface of the injection unit main body 8 and the tip of the crest 9a of the gear 9 (FIG. 8)
Each communicates with each other.

  The distances D1 and D2 are set to “D1> D2”. Therefore, the entire at least one liquid pool space area 6 and 9b during the rotation of the gears in FIGS. 1 to 6 and 8 (between the ridges on both sides of the space area) is surely connected to the inflow portions 4a and 8a. The bottomed cylindrical portion 4d between the outlet portion and the inlet portions of the outflow portions 4c and 8c and the short inner peripheral surface portion of the injection unit main body 8 are opposed to each other.

  The entire structure composed of the injection unit main bodies 4 and 8 and the gears 5, 5 ′ and 9 and the rotating body 5 ″ therein constitutes a content injection mechanism unit (injection unit).

  The injection unit of FIGS. 1 to 3 is a corresponding unit for only the intensity pulse injection of contents, and the injection unit of FIGS. 4 to 6 is a corresponding unit for the intensity pulse injection and vibration injection of contents. The injection unit of FIG. 8 is a corresponding unit for only vibration injection of contents, and the injection unit of FIG. 8 is a corresponding unit for only strong and weak pulse injection of contents.

By attaching the openings 4g, 8d of each of these injection units to the stem 3 of various aerosol products matching the size, as described above,
(21) In any of the injection units provided with the gears 5, 5 ', 9, a strong / weak pulse injection state in which the content injection amount is repeatedly "large" and "low" is set,
(22) In an injection unit including a gear 5 ′ with a ball and a rotating body 5 ″, a vibration injection state in which the injection unit itself vibrates, that is, gives a feeling of vibration to the user's scalp 7 can be set. .

  Hereinafter, the description up to paragraph [0067] is based on the premise that the injection unit shown in FIGS.

  As described above, in the case of the injection unit (FIGS. 4 to 6) including the gear 5 ′ with a ball, both the strong and weak pulse injection state and the vibration injection state are set.

The strong and weak pulse injection operation of the content injection mechanism unit of FIGS.
(31) With the rotation of the gears 5 and 5 'in the state where the contents flow into the content passage space 4b from the inflow portion 4a, the so-called liquid reservoir spaces 6a, 6b and 6c filled with the contents When the first liquid pool space area 6a has advanced to a position facing the inlet portion of the outflow portion 4c, the contents of this liquid pool space area 6a are ejected in large quantities from the outflow portion to the scalp 7 by the action of liquefied gas. (See FIG. 2 and FIG. 4),
(32) At the gear rotation position immediately after the so-called large injection time, the crests 5a and 5a '(tips) behind the liquid pool space 6a in the rotation direction and the inner peripheral surface of the bottomed cylindrical part 4d A small amount of contents are injected from the upstream area (liquid reservoir space area 6b, etc.) through the clearance area between the scalp 7 and the liquid reservoir space area 6d is filled with the contents (see FIGS. 3 and 5). ,
(33) After that, by rotating the gears 5 and 5 ', a large amount of injection of (31) and (32) for each of the filling contents in the liquid pool space areas 6b, 6c, 6d. Repeated with a small amount of injection,
That is.

  It should be noted that the number of times of switching between the large amount injection and the small amount injection accompanying one rotation of the illustrated gears 5 and 5 ′ is 12 times corresponding to the total number of liquid pool space areas 6 (= total number of peak portions 5a).

The vibration injection operation of FIGS.
(41) Along with the rotation of the gear 5 ′ and the rotating body 5 ″ in which the spherical balls 5f ′ and 5f ″ are arranged in the annular space regions 5d ′ and 5d ″ having the groove shape, the balls are Hit the ribs 5e ', 5e''and move upwards,
(42) The ball 5f ″ after the movement hits the rotating shafts 5c ′ and 5c ″ and falls,
(43) Thereafter, the rotation of the gear 5 ′ and the rotating body 5 ″ repeats the upward movement of the ball (41) and the drop of the ball (42).
(44) With this repetition, the gear 5 ′, the rotating body 5 ″ and the injection unit main body 4 holding them are interlocked in the substantially vertical direction,
(45) As a result, the outflow part 4c that has been in contact with the scalp 7 vibrates slightly, giving the user some sense of irritation,
That is.

  1 to 7, the user presses the tip of the outflow portion 4c of the injection unit body 4 against the scalp in a state where the product in the stationary mode of FIG. The injection unit main body 4 and the stem 3 integrated with the injection unit main body 4 are tilt type products in which they are inclined in an arbitrary direction corresponding to the pressing.

This tilt-type stem operation itself is well known.
That is, a well-known valve action part (not shown) opens with the inclination of the stem 3, and the contents of the aerosol container body 1 and the liquefied gas flow into the content passage space 4b through the stem 3 and the inflow part 4a. To do.

  In the case of the aerosol type product using the injection unit shown in FIGS. 1 to 6, the inflowed contents and the liquefied gas are stored in the liquid pool space area 6 (for example, the liquid pool space area) facing the outlet portion of the inflow section 4a. The liquid pool space region is filled while pressing the inflow side surface portion of the corresponding peak portion 5a of 6a).

  In the case of the aerosol type product of FIG. 7 as well, the contents and liquefied gas that have flowed into the contents passage space 4b from the inflow portion 4a face the outlet portion of the inflow portion 4a in the same manner as in FIGS. The surface portion on the inflow side of the corresponding flat plate convex portion 5a ″ is pressed.

  The gears 5, 5 ′ and the rotating body 5 ″ begin to rotate in the clockwise direction in the figure by the pressing action on the corresponding peak portions and the corresponding flat plate convex portions of the contents and the like.

  The rotating operation of the gears 5, 5 ′ and the rotating body 5 ″ is continued while the stem 3 is inclined, that is, until the user stops pressing the distal end portion of the outflow portion 4c of the injection unit body 4 against the scalp. To do.

  As the gears 5 and 5 ′ in FIG. 1 to FIG. 6 continue to rotate, the liquid pool space areas 6 b and 6 c on the upstream side of the liquid pool space area 6 a are filled with the contents and the liquefied gas.

  At this time, as a matter of course, the contents and the liquefied gas also flow into the clearance area between the inner peripheral surface of the bottomed cylindrical portion 4d and the tips of the peaks 5a and 5a ′.

  As shown in FIGS. 2 and 4, in the rotational phase stage where the liquid pool space region 6 a faces the inlet portion of the outflow portion 4 c, the contents therein are immediately discharged from the outflow portion by the action of the liquefied gas. Is injected. That is, a large amount of contents are injected.

  As described above, at the rotational phase stage of the gears 5 and 5 ′ immediately after the large quantity injection (see FIGS. 3 and 5), that is, the stage where the next liquid pool space area 6b is not yet opposed to the inlet portion of the outflow portion 4c. The contents from the liquid pool space area 6b which is the upstream area of the liquid pool space area 6a through the clearance area between the tip of the crests 5a, 5a 'and the inner peripheral surface of the bottomed cylindrical section 4d (small gap) A small amount of material is jetted onto the scalp 7, and the liquid pool space area 6d is filled with the contents.

  Then, while the rotation of the gears 5 and 5 'continues, that is, until the user stops the operation of pressing the outflow portion 4c against the scalp 7, the above-described large quantity injection and small quantity injection based on the action of the liquefied gas are alternately repeated. .

  In the case of the content injection mechanism unit of FIGS. 4 and 5, the so-called circumferential phase relationship between each rib-like portion 5e ′ and each liquid pool space region 6 is such that the ball 5f ′ hits the rib-like portion 5e ′. It is sometimes described as “mass injection”, and “small quantity injection” when the immediately following ball 5f ′ hits the rotating shaft 5c ′.

This circumferential phase relationship is not limited to the illustrated state.
That is, it is not necessary to have a special relationship between the timing at which the ball 5f ′ hits the rib-like portion 5e ′ and the rotation shaft 5c ′ and the switching timing between “large injection” and “small injection”.

  In the content injection mechanism unit having the ball-equipped gear 5 ′ and the rotating body 5 ″ shown in FIGS. 4 to 7, the content is in contact with the scalp 7 as described in the above (41) to (45). The vibration operation of the outflow part 4c occurs.

  In the content injection mechanism unit of FIGS. 4 to 6, this vibration injection is added to the repeated operation of the large amount injection and the small amount injection.

  When the content injection state of the aerosol type product for the prototype of the content injection mechanism unit was verified and measured (photographed), the change in the injection amount of "large injection" and "small injection" 8-10 times per second Was confirmed to occur.

  Moreover, the vibration feeling in the outflow part 4c of the content injection | emission mechanism unit provided with gear 5 'with a ball | bowl and rotary body 5' 'was also confirmed.

  FIG. 8 shows a spray-type aerosol product that uses an injection unit for only the intensity pulse injection of the contents. A resonance-type cover body having an operation unit is provided on the aerosol container body, and a push-type operation stem. It is different from the aerosol product of FIGS. 1 to 3 in that there is a nozzle tip for spraying at the output part of the injection unit.

  The aerosol type product of FIG. 8 is a push type product in which the injection unit main body 8 and the stem 3 integrated therewith move down when the user pushes down the operation portion 11b.

  This push type stem operation itself is well known. That is, as the stem 3 moves downward, a known valve action part (not shown) is opened, and the contents of the aerosol container body 1 and the liquefied gas pass through the stem 3 and the inflow part 8a to the contents passage space 8b. Inflow.

And like the strong and weak pulse injection operation of the content injection mechanism unit of FIGS.
The gear 9 rotates, and the content passes through the outflow portion 8c and is discharged from the injection port 10a to the external space while repeating large amount injection and small amount injection.

  At this time, the flow of the contents and the liquefied gas flowing into the content passage space 8b from the inflow portion 8a of the injection unit main body 8 collides with the outer peripheral surface of the gear 9 and the mountain portion 9a, and the rotating gear. Nine peaks (convex parts) 9a intermittently narrow the flow path to generate pulsation.

  The gear 9 can be in a high-speed rotation state of 20 times / second or more depending on the pressure of the liquefied gas flowing into the injection unit main body 8, the shape of the gear, the bearing structure, and the like.

  In this way, in the aerosol product injection mode of FIG. 8, the sound from the gear side is generated by the interaction between the inflowing contents and the gear 9 and the high-speed rotation of the gear itself.

  This sound is magnified by reflection and resonance in the internal space of the cover body 11, and efficiently propagates to the external space.

  Therefore, the user of the aerosol type product and the people around it notice that the aerosol type product is in operation and sprayed with, for example, an insecticide by this propagation sound.

  The cover body 11 has not only a sound reflection / resonance function, but also a cover body for a general aerosol-type product, and prevents the operation portion 11b from being erroneously operated by the standing overhanging portion 11d. 8 is also protected.

  In addition, when the side wall of the injection unit body 4 is provided in the aerosol-type product to be scalp injected in FIGS. 1 to 7 as in FIG. 8, a kind of stimulating sound and sound effect are positively given to the user. Can do.

Of course, the present invention is not limited to the illustrated content injection mechanism unit.
(51) Change the number, length, weight, etc. of each of the components shown in the drawings and the numerical examples as appropriate, for example, the first to fourth clearance clearances are set to a value of “0.03 to 0.2 mm”. change,
(52) Instead of the annular space areas 5d ′ and 5d ″, a cylindrical space area in which the rotating shaft portion is omitted is set.
(53) A side plate portion (cover plate) is attached to the annular space areas 5d ′, 5d ″ of the gear 5 ′ and the rotating body 5 ″ and the cylindrical space area of (52).
(54) Instead of the rib-like portion 5e ′ made of a partial circumferential surface shape of a cylinder, a convex portion made of a partial circumferential surface shape of a sphere is used.
(55) In place of the spherical ball 5f ′, a member such as a columnar body, a cylindrical body, or a rugby-shaped ball is used.
(56) Instead of the gears 5, 5 ', 9 and the rotating body 5'', a rotating body having a so-called dimple-shaped outer peripheral surface in which a concave portion and a convex portion are formed in the outer peripheral surface circumferential direction is used.
(57) Use a push-down valve stem that moves only substantially downward without inclining during the injection mode setting operation,
(58) Attach various types of injection mode setting operation sections to the content injection mechanism unit.
You may do it.

  Aerosol-type products to which the present invention is applied include hair restorers, cleaning agents, cleaning agents, antiperspirants, cooling agents, muscle anti-inflammatory agents, hair styling agents, hair treatment agents, hair dyes, cosmetics, shaving foams, foods , Droplets (such as vitamins), pharmaceuticals, quasi drugs, paints, gardening agents, repellents (insecticides), cleaners, deodorants, laundry glue, urethane foam, fire extinguishers, adhesives, lubrication There are various uses such as agents.

  The contents stored in the aerosol container main body can be used in various forms such as liquid, cream, gel, etc. Examples of ingredients blended in the contents include powdered substances, oil components, alcohols, Surfactant, polymer compound, active ingredient according to each application, water, etc.

  As the powder, metal salt powder, inorganic powder, resin powder, or the like is used. For example, talc, kaolin, aluminum hydroxychloride (aluminum salt), calcium alginate, gold powder, silver powder, mica, carbonate, barium sulfate, cellulose, and a mixture thereof are used.

  As the oil component, silicone oil, palm oil, eucalyptus oil, camellia oil, olive oil, jojoba oil, paraffin oil, myristic acid, palmitic acid, stearic acid, linoleic acid, linolenic acid and the like are used.

  Examples of the alcohol include monovalent lower alcohols such as ethanol, monovalent higher alcohols such as lauryl alcohol, and polyhydric alcohols such as ethylene glycol, glycerin, and 1,3-butylene glycol.

  Surfactants include anionic surfactants such as sodium lauryl sulfate, nonionic surfactants such as polyoxyethylene oleyl ether, amphoteric surfactants such as lauryldimethylaminoacetic acid betaine, and cations such as alkyltrimethylammonium chloride. A surfactant is used.

  As the polymer compound, methyl cellulose, gelatin, starch, casein, hydroxyethyl cellulose, xanthan gum, carboxyvinyl polymer, or the like is used.

  Active ingredients according to each application include anti-inflammatory analgesics such as methyl salicylate and indomethacin, disinfectants such as sodium benzoate and cresol, insect repellents such as Hillesroid and diethyltoluamide, antiperspirants such as zinc oxide, Softeners such as camphor and menthol, anti-asthma drugs such as ephedrine and adrenaline, sweeteners such as sucralose and aspartame, adhesives and paints such as epoxy resin and urethane, dyes such as paraphenylenediamine and aminophenol, dihydrogen phosphate Use a fire extinguishing agent such as ammonium or sodium bicarbonate.

  Further, other than the above-mentioned contents, suspending agents, ultraviolet absorbers, emulsifiers, humectants, antioxidants, sequestering agents, etc. can be used.

  Liquefied gas such as liquefied petroleum gas, dimethyl ether and fluorocarbon is used as the gas for injecting the contents of aerosol products.

1: Aerosol container body 2: Mounting cap 3: Stem (valve)
4: Injection unit main body 4a: Inflow portion 4b: Content passage space 4c: Outflow portion 4d: Petri-shaped bottomed cylindrical portion 4e: Circular side plate portion 4f: A pair of concave portions 4g: Openings on the content inflow side 5: A gear without a ball having a flat plate shape (rotary body: FIGS. 1 to 3)
5a: Yamabe,
5b: Groove portion 5c: Rotating shaft 5 ′: Gear with ball having a bottomed cylindrical shape (rotating body: FIGS. 4 to 6)
5a ′: Mountain part 5b ′: Groove part 5c ′: Rotating shaft 5d ′: Groove-shaped annular space 5e ′: Rib-like part 5f ′: Spherical ball 5 ″: Rotating body (FIG. 7)
5a ″: flat plate convex portion 5b ″: V-shaped valley-shaped concave portion 5c ″: rotating shaft 5d ″: groove-shaped annular space region 5e ″: rib-shaped portion 5f ″: ball (circumference) Direction rotation)
6 (6a to 6d): Liquid pool space area 7: Scalp 8: Injection unit body 8a: Inflow section 8b: Content passage space area 8c: Outflow section 8d: Opening section 9: Gear 9a: Mountain section 9b: Liquid pool Space region 9c: Rotating shaft 10: Nozzle tip 10a: Injection port 11: Cover body 11a: Convex portion 11b: Operation portion 11c: Connection portion 11d: Standing overhanging portion L: Mass injection state (FIGS. 2 and 4)
S: Small quantity injection state (Figs. 3 and 5)
D1: Distance in the circumferential short portion between the inflow portion 4a and the outflow portion 4c D2: Distance in the circumferential short portion between the adjacent peaks 5a, 5a ′

Claims (7)

In the content injection mechanism unit that exhibits a valve action for injecting the contents of the aerosol container body and is attached to a stem having a passage area for passage of the contents,
An inflow portion of the content that has passed through the passage area;
A closed space region for passing contents having a circumferential inner surface portion extending from the inflow portion;
An outflow portion of contents formed on the inner surface portion at a position spaced apart from the inflow portion in the circumferential direction;
A jumping convex portion disposed in the closed space area and driven by a pressing action of contents flowing from the inflow portion and a concave portion between adjacent convex portions are arranged in the circumferential direction of the outer peripheral surface. A rotating body having
A gap through which the contents pass is set between the tip portion of the convex portion and the inner surface portion.
A content injection mechanism unit. The closed space for passing the contents is:
An internal space defined by a parallel disk portion and a cylindrical portion that exists between the parallel disk portions and includes the inflow portion and the outflow portion;
The rotating body is
A disk-shaped rotating body,
The content injection mechanism unit according to claim 1. The shorter distance D1 in the inner surface portion in the circumferential direction between the inflow portion and the outflow portion, and the shorter distance D2 in the inner surface portion in the circumferential direction between the adjacent tip portions,
“Distance D1> Distance D2” is set,
The gap is
It is a small gap that acts as a content passage area at the time of small amount injection following the large amount injection of the stored content of the concave portion in a state where the arbitrary concave portion is opposed to the outflow portion.
The content injection mechanism unit according to claim 1 or 2, wherein The rotating body is
A space area of the inner rotating portion where the convex portion and the concave portion are not set, and an inner surface continuous in the rotation direction and a vibration injection space region having a collision convex portion formed on the inner surface ,
A rotating object disposed in the space area for vibration injection and falling with the rotation of the rotating body and then falling down after hitting the collision convex portion and hitting the inner surface;
The content injection mechanism unit according to claim 1 or 2, wherein The vibration jet space area is:
An annular space region comprising an outer inner peripheral surface on which the collision convex portion is formed and an inner inner peripheral surface facing the outer peripheral surface;
The circumferentially rotated object is
It falls after moving upward and hitting the inner peripheral surface,
The content injection mechanism unit according to claim 4. The content injection mechanism unit according to any one of claims 1 to 5,
A sound amplifying cover attached to the aerosol container body and exhibiting a wall effect of a side surface range of the rotating body,
A content injection mechanism characterized by that. The content injection mechanism unit according to any one of claims 1 to 5 or the content injection mechanism according to claim 6 is provided, and the content and liquefied gas for injection thereof are accommodated in an aerosol container body.
Aerosol type product characterized by that.

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