JP5496627B2 - Mixed dispenser - Google Patents

Description

  The present invention relates to a mixture dispenser suitable for mixing and dispensing a plurality of types of contents immediately before use, and uniformly discharging the contents from each container and mixing them at a desired ratio. The obtained mixture is to be obtained.

  Mixed dispensers that mix and dispense different types of contents immediately before use tend to be applied not only to hair dyes and other drugs, but also to the medical field and beverages such as tea. In the prior art in this regard, a communication pipe is fitted to the stem of each container, and the contents supplied through the communication pipe are mixed as a mixture through a single nozzle. There has been known one provided with a pressing head for discharging (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 11-334767

  By the way, this type of conventional compound dispenser is designed to pour out the contents from a plurality of containers at a time by pushing in the push-down head using one lever. At this time, especially when the lever operation is slow (in the case of slow operation), the stems of the respective containers cannot be pushed in at the same time, which makes it difficult to evenly mix the contents. There was still room for improvement.

The present invention has an internal space that communicates with each stem of an aerosol container filled with different types of contents, and a pressure head that discharges the contents discharged from the internal space to the outside through a single nozzle as a mixture. A base cover that surrounds at least a shoulder portion of the aerosol container together with the pressing head, and fixes and holds the aerosol container in a lump, and the pressing head is pushed in by a pivoting operation starting from a hinge, and the contents from each stem of the aerosol container A mixing dispenser comprising an operation lever for discharging
The pressing head is provided with a leaf spring portion that stands up by cantilever support and brings a free end thereof into contact with the lower surface of the operating lever, thereby providing a restoring force that resists the pressing when the operating lever is pressed down.
When the operating lever is pushed down on at least one of the base cover and the leaf spring, the operating lever is caught to restrict the pushing down of the operating lever, and the hook is released by further pushing down the operating lever. Providing stop means ,
Further, the pressing head is connected to each stem of the aerosol container and has a plurality of cylindrical bodies that form a discharge path for the contents, and is connected to the base body through a hinge so as to be opened and closed, and covers the base body to cover the inside. And a cover body that defines the internal space.
The cover body has a single nozzle provided integrally at an equal distance from the outlet side end of each discharge path of the cylindrical body, and
In the width direction of the base body, the leaf spring portions are integrally connected via a hinge so as to sandwich a nozzle .

  According to the present invention, the locking means can be provided on at least one of the base cover and the leaf spring part, and the shape of the part that causes the catch is a protrusion, a bulge, a thick part, or A concave portion or the like entering these portions or the plate-like tip portion can be mentioned, and for example, it may be composed of a protrusion provided on the outer surface of the operation lever and a protrusion provided on the side wall of the concave portion that forms the concave portion in the base cover. it can. In this case, a thin wall portion for allowing deformation and restoration around the protrusion provided on the recess side wall can be provided on the recess side wall of the base cover.

  Moreover, as a latching means, it can consist of the protrusion provided in the lower end surface of the operation lever, and the protrusion provided in the upper end surface of the leaf | plate spring part.

  The operating lever is fitted and fixed inside the side wall of the base cover, guides the side wall with the guide wall as a guide, and is guided to the guide wall by a hinge. The operation piece is connected to be movable, and the lower end surface of the operation piece is brought into contact with the upper end portion of the press head to directly press the press head.

  According to the present invention, when the operation lever is pushed down against the restoring force of the leaf spring portion, the operation lever is caught by the base cover or the leaf spring portion, so that the depression of the operation lever is temporarily stopped. Then, the operation lever is suddenly moved downward by releasing the operation lever.

  Thereby, even if a user is not conscious, as a result of each stem of an aerosol container being pushed simultaneously because a control lever rotates rapidly, the contents are discharged from each aerosol container equally. Therefore, according to the present invention, an equal mixture of contents can be discharged.

  In particular, if the locking means is a projection provided on the outer surface of the operation lever and a projection provided on the concave side wall of the base cover, the operation lever can be selected by appropriately selecting the height of the projection provided on the base cover. Equal discharge from each aerosol container can be realized while giving a degree of freedom in the timing of suddenly pushing down. Further, in this case, if an opening for allowing deformation and restoration around the protrusion provided on the recess side wall is provided on the recess side wall of the base cover, the protrusion provided on the operation lever can be relatively overcome. Since the operation becomes smooth, the operation lever can be evenly discharged from each aerosol container without excessive depression.

  In addition, if the locking means is a protrusion provided on the lower end surface of the operation lever and a protrusion provided on the upper end surface of the leaf spring portion, it is evenly distributed from each aerosol container almost simultaneously with the timing when the operation lever is suddenly pushed down. Discharge can be realized.

  A press head is fitted to each stem of the aerosol container and has a base having a plurality of cylinders that form a discharge path for contents, and is connected to the base via a hinge so as to be openable and closable. A cover body that defines an internal space, and a single nozzle is integrally provided in the cover body at an equal distance from the outlet side end of each discharge path of the cylindrical body, In the width direction, if the leaf spring part is integrally connected via a hinge so as to sandwich the nozzle, the pressing head can be configured as a member together with the leaf spring part. Equal discharge from each aerosol container can be realized while reducing the number of points and allowing efficient assembly.

  In addition, the operation lever is fitted and fixed inside the side wall of the base cover, the guide wall is guided by the side wall with the side wall being used as a guide, and the guide wall is rotated via a hinge. It is possible to configure the operating lever as a single member if it has an operating piece that can be moved, and the lower surface of the operating piece is brought into contact with the upper end portion of the pressing head to directly press the pressing head. Thus, it is possible to achieve uniform discharge from each aerosol container while enabling reduction in the number of parts and efficient assembly.

BRIEF DESCRIPTION OF THE DRAWINGS It is the external appearance perspective view shown from the front side in the state which mounted | wore with the container for the 2 agent mixing extractor which is the 1st form of this invention. It is the perspective view which showed the decomposition | disassembly state of the same form with the container. It is the top view which showed the form from the upper direction. It is the perspective view which showed the decomposition | disassembly state of the press head based on the form. It is the principal part front view which showed the same form with the container in a partial cross section. It is the principal part front view which showed the initial state of the same form with the container in the cross section. It is the principal part perspective view which showed typically an example of the latching means based on the form. It is the principal part front view which showed the latching state of the same form with the container in the cross section. It is the principal part front view which showed the push-off state of the same form with the container in the cross section. It is the principal part front view which showed the initial state of the extractor for 2 agent mixing which is the 2nd form of this invention with the container in the cross section. It is the principal part front view which showed the latching state of the same form with the container in the cross section. It is the principal part front view which showed the push-off state of the same form with the container in the cross section.

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

  1 to 9 show a first embodiment of the present invention in which a two-component mixing dispenser is mounted on an aerosol container.

  Reference numerals 1 and 2 in FIGS. 1 to 9 are aerosol containers filled with different types of contents. The aerosol containers 1 and 2 have stems 1a and 2a, respectively, and by pressing them, the contents in the aerosol containers 1 and 2 can be discharged through the stems 1a and 2a.

  Reference numeral 3 denotes a pressing head connected to each of the stems 1a and 2a of the aerosol containers 1 and 2. As shown in FIG. 4, the pressing head 3 is connected to the base 3 a forming the bottom wall and the base 3 a through a hinge 3 c (see FIG. 6, etc.) so as to be openable and closable. And a cover body 3b that defines and forms an internal space M for mixing contents inside, and a single nozzle 3d is integrally provided on the cover body 3b.

Substrate 3a includes a bottom plate 3a _1, the peripheral wall 3a ₂ hanging down from the edge of the bottom plate 3a _1, and a flange 3a ₃ projecting laterally from the lower end of the peripheral wall 3a _2, the lower end of the bottom wall 3a ₁ Is provided with cylindrical bodies 3a ₄ and 3a ₅ that fit into the stems 1a and 2a of the aerosol containers 1 and ₂ to form the discharge paths r ₁ and r ₂ for the contents.

Further, as shown in FIG. 2 and the like, the base body 3a is provided with two leaf spring portions 3s in the width direction of the flange 3a ₃ so as to sandwich the nozzle 3d. Each leaf spring portion 3s extends the support portion 3s ₂ from the curved portion 3s ₁ as a base point of the deformation and restoration, the support portion 3s ₂ is connected to the flange 3a ₃ via a hinge 3h. As a result, the leaf spring portion 3 s is raised from the cover body 3 b in a cantilevered manner as shown in FIG. 2 by being aligned with the cover body 3 b covered on the base body 3 a by turning about the hinge 3 h. To do.

In contrast, the cover member 3b is fitted into the peripheral wall 3a ₂ of the substrate 3a, and a peripheral wall 3b ₁ the lower end contacts the flange 3a _3, top panel wall 3b ₂ Metropolitan integrally connected to the upper end of the peripheral wall 3b ₁ As described above, the nozzle 3d is integrally formed on the peripheral wall 3b ₁ . The nozzle 3 is integrally provided at an equal distance from the outlet side ends of the discharge paths r ₁ and r ₂ of the cylinders 3a ₄ and 3a ₅ .

The cover body 3b is in the width direction of the top panel wall 3b _2, so as to sandwich the nozzle 3, the recess t of the plate spring portion 3s are arranged are provided in two locations at an interval. As a result, when the leaf spring portions 3s are respectively pushed down by an operation piece 5b described later, they are housed in the recesses t.

Reference numeral 4 denotes a base cover that surrounds at least the shoulders of the aerosol containers 1 and 2 together with the pressing head 3 and fixes and holds the aerosol containers 1 and 2 collectively. The base cover 4 has an elliptical planar shape, has claw portions n linked to the mounting cups 1c and 2c of the aerosol containers 1 and 2 and has an opening for exposing the stems 1a and 2a. When the claw portion 4a ₁ of the holder 4a engaged crowded placed in opening matches the holder 4a inside, it consists of a fixed to the outer cover 4b (see Fig. 2,5,6).

The outer cover 4b hangs down from a peripheral wall 4b ₁ having a front concave portion P ₁ and a rear concave portion P ₂ , a top plate 4b ₂ integrally connected to an upper end of the peripheral wall 4b ₁ , and an inner end of the top plate 4b _2. an inner wall 4b _3, integrally connected to the lower end of the inner wall 4b _3, the stem 1a of the aerosol container 1, be composed of a bottom wall 4b ₄ having an opening for exposing the 2a, the press head 3 at its inner side Are arranged to form a recess for accommodating.

  As shown in FIG. 1 and the like, the outer cover 4b can be removed by releasing the linkage with the claw portion 4a1 in the holder 4a by pressing the linkage releasing pressing pieces J provided on both sides thereof. Thus, the outer cover 4b can be cleaned.

Reference numeral 5 denotes an operation lever that pushes the pressing head 3 by a pivoting operation with the hinge h ₁ as a fulcrum and discharges the contents from the stems 1 a and 2 a of the aerosol containers 1 and 2. Turning the operation lever 5 through a guide wall portion 5a which forms an oval that is fitted fixed to the inner wall 4b ₃ of the outer cover 4b of the base cover 4, a hinge h ₁ to the guide wall portion 5a It is composed of a T-shaped operation piece 5b that can be connected. The operation piece 5b is in direct contact with the upper end portion of the pressing head 3 (contacted at a portion matching the radial center of the stems 1a and 2a of the aerosol containers 1 and 2), and is in contact with each stem 1a and 2a. An equivalent pressing force can be applied through the pressing head 3 (see FIG. 6 and the like).

  In contrast, as shown in FIG. 6 and the like, the leaf spring portion 3s cantilevered by the pressing head 3 is provided on the free end side of the operation piece 5b by standing obliquely toward the lower end surface 5f. The protruding part 3p is brought into contact with the lower end surface 5f of the operation piece 5b as a pressing piece. As a result, when the leaf spring portion 3s depresses the operation piece 5b by applying a restoring force against the depression to the operation piece 5b when the operation piece 5b is pushed down, the operation piece 5b is moved to the initial position shown in FIG. Automatically return to

Note that at least both end portions of the peripheral wall 3b ₁ of the cover body 3b constituting the pressing head 3 are slidably in contact with the inner side surface of the guide side wall 5a of the operation lever 5 (see FIG. 5). When the head 3 is pushed in, the inner surface of the guide wall portion 5a can be used as a guide so that smooth movement is possible. In particular, in this embodiment, convex portions d are provided on both sides of the outer surface of the peripheral wall 3b ₁ of the pressing head 3 as shown in FIG. 2 and the like, and the convex portions d are slidable on the inner surface of the guide wall portion 5a. A groove is provided to guide.

  Reference numeral 6 denotes a convex portion provided at an upper end portion of the pressing head 3 (a portion matching the radial center of the stems 1a and 2a of the aerosol containers 1 and 2), and reference numeral 7 denotes a lower portion of the operation piece 5b of the operation lever 5. It is a convex portion provided on the end surface 5f and abutting against the convex portion 6 when the pressing head 3 is pushed in (see FIGS. 2, 5, 6, etc.).

Reference numeral 8 denotes a mixing member that is disposed in the discharge path of the nozzle 3c and promotes mixing of contents for discharge. The mixing member 8 is composed of a member main body 8a fitted and fixed to the tip opening of the nozzle 3c, and a plurality of fins 8b integrally connected to the member main body 8a. In this embodiment, a rib-like partition wall 3b ₃ is provided in the internal space M of the pressing head 3 as shown in FIG. 5 in order to promote uniform mixing of contents.

By the way, the operation lever 5 according to the present embodiment is provided with protrusions 5p constituting _one of the locking means C1 on the outer surface 5s of the operation piece 5b. Further, as described above, the base cover 4 according to the present embodiment has the rear concave portion P ₂ formed in the peripheral wall 4b ₁ of the outer cover 4b in order to prevent the operation piece 5b from interfering with the base cover 4. the concave side walls 4b5 which form the rear recess P _2, as the other configuration of the locking means C _1, in contact with the protrusion 5p provided on the operation lever 5b, by hooking the operating piece 5b, regulate depressed that A projection 4p is provided.

In the locking means C ₁ , the protrusion 5p of the operation piece is set so that the catch can be released by getting over the other protrusion 4p by further pressing down the operation piece 5b. For example, in this embodiment, the recess side wall 4b ₅ of the base cover 4, in order to permit the deformation and recovery of around the protrusion 4p provided in the recess sidewalls 4b _5, openings 4s that is shaped in a U-shape It is provided so as to surround the protrusion 4p. Thus, the protrusion 5p of the operation piece 5b, since a state of being cantilevered into the recess side wall 4b _5, since the projection 5p is, by further pushing of the operation piece 5b, can overcome the protrusion 4p of the base cover 4, The user suddenly pushes down the operation piece 5b.

Thus, pressing gently operating piece 5b from the initial position shown in FIG. 6, as shown in FIG. 8, since the caught once by a locking means C _1, that further user depresses and releases the caught, the operation The piece 5b is pushed down at a stroke to the push-off position shown in FIG. Thus, pressing the user slowly operating piece 5b, in order to release the locking means C _1, a result of further pushing the operating piece 5b, the protruding portion 7 of the projections 6 provided on the pressing head 3 actually operating piece It takes a short time to complete the depression after it is pressed.

  In addition, the setting for the projection 5p of the operation piece 5b to get over the projection 4p can be performed by appropriately changing the shape of the projection 4p and the projection 5p according to the use of the mixed dispenser, the user, etc. It is.

  According to this embodiment, as described above, when the operation piece 5b is pushed down against the restoring force of the leaf spring portion 3s, the protrusion 5p provided on the operation piece 5b comes into contact with the protrusion 4p provided on the base cover 4. Since the operation piece 5p is temporarily pushed down, the operation piece 5b is temporarily stopped. However, if the operation piece 5b is further pushed down, the protrusion 5p of the operation piece 5b gets over the protrusion 4p, so that the operation piece 5b is released from being caught. The piece 5b moves downward rapidly.

  As a result, the operation piece 5b quickly rotates without the user being aware of it, and as a result, the stems 1a and 2a of the aerosol containers 1 and 2 are pushed in at the same time. Evenly discharged. Therefore, according to this embodiment, an equal mixture of contents can be discharged.

In particular, as in the present embodiment, if the locking means C ₁ is a projection 5p provided on the outer surface 5f of the operation piece 5b and a projection 4p provided on the concave side wall 4b ₅ of the base cover 4, it is provided on the base cover 4. By appropriately selecting the height of the projections 4p and the like, it is possible to achieve uniform discharge from the aerosol containers 1 and 2 while providing a degree of freedom in the timing of suddenly pushing down the operation piece 5b.

In this case, as in the present embodiment, if the recess 4b ₅ of the base cover 4 is provided with an opening 4s for allowing deformation and restoration around the protrusion 4p provided on the recess 4b _5. Since the protrusion of the projection 5p provided on the operation piece 5b is relatively smooth, the operation piece 5b can be evenly discharged from the aerosol containers 1 and 2 without being pushed down too rapidly.

In addition, as in the present embodiment, the pressing head 3 is fitted to the stems 1a, 2a of the aerosol containers ₁ , ₂ to form a plurality of cylinders 3a ₄ , 3a ₅ that form discharge paths r ₁ , r ₂ for the contents. And a cover body 3b that is connected to the base body 3a through a hinge 3h so as to be openable and closable, and covers the base body 3a so as to define an internal space M inside the base body 3a. A single nozzle 3d is integrally provided at an equal distance from the outlet side ends of the discharge paths r ₁ and r ₂ of the bodies 3a ₄ and 3a ₅ , while the nozzle 3d is sandwiched in the width direction of the base 3a. In addition, if the leaf spring portion 3s is integrally connected via the hinge 3h with a gap, the pressing head 3 can be configured as a single member together with the leaf spring portion 3s, and the number of parts can be reduced and efficient. Each aerosol container while allowing easy assembly Equal discharge from 1 and 2 can be realized.

Further, as in this embodiment, the operation lever 5 is fitted and fixed inside the side wall portion 4b ₃ of the base cover 4, and the guide wall guides the movement of the pressing head 3 by pushing the side wall portion 4b ₃ as a guide. The guide wall 5a and the operation piece 5 rotatably connected to the guide wall 5a via the hinge h1. The lower end surface 5f of the operation piece 5 is brought into contact with the protrusion 3p which is the upper end portion of the pressing head 3. If the pressing head 3 is pressed directly, the operating lever 5 can be configured as a single member, reducing the number of parts and enabling efficient assembly, Equal discharge can be realized.

  On the other hand, FIGS. 10 to 12 show the second embodiment of the present invention in which the two-component mixing dispenser is mounted on an aerosol container. Hereinafter, in this embodiment, the same parts as those in the first embodiment have the same reference numerals, and the description thereof is omitted.

This embodiment, as a protrusion which constitutes one of the locking means C _2, while using the projection 5p formed in the lower end surface 5f of the operation piece 5b, the upper end surface 3f of the plate spring portion 3s, provided on the operation lever 5b projections A protrusion 3p is provided in contact with 5p to restrict the operation piece 5b from being pushed down.

Any locking means C _2, projections 5p operation piece, the depression of the further operation piece 5b, by overcoming the other protrusion 3p, is set so caught could cancel. Thus, when the protrusion 5p of the operation piece 5b gets over the protrusion 3p of the leaf spring portion 3s by further pressing the operation piece 5b, the user suddenly pushes down the operation piece 5b.

Thus, pressing gently operating piece 5b from the initial position shown in FIG. 10, as shown in FIG. 11, because the caught once by a locking means C _2, by further user depresses and releases the caught, the operation The piece 5b is pushed down at a stretch to the push-off position shown in FIG. Thus, pressing the user slowly operating piece 5b, in order to release the locking means C _2, a result of further pushing the operating piece 5b, the protruding portion 7 of the projections 6 provided on the pressing head 3 actually operating piece It takes a short time to complete the depression after it is pressed.

  The setting for the protrusion 5p of the operation piece 5b to get over the protrusion 3p can also be made by appropriately changing the shape of the protrusion 3p and the protrusion 5p, for example, depending on the application of the mixed dispenser or the intended user. It is.

As in the present embodiment, the locking means C _2, if a projection 5p provided at the lower surface 5f of the operating piece 5b, the protrusion 3p provided on the upper end face 3f of the plate spring portion 3s, rapidly pushing the operation member 5b At substantially the same time as the lowering timing, uniform discharge from the aerosol containers 1, 2 can be realized.

  The mixing and dispensing device according to the present invention has an excellent effect that the contents can be evenly discharged and mixed from the aerosol containers 1 and 2. Further, the members constituting the dispenser can be composed of three members, that is, the pressing head 3, the base cover 4, and the operation lever 5, and each member can be formed as a single body. In addition, the number of parts can be reduced as much as possible and the structure is not complicated.

  In this embodiment, the leaf spring portion 3s is integrally formed with the pressing head 3. However, according to the present invention, a material that is more easily elastically reversed can be used with the leaf spring portion 3 as a separate member. Further, the leaf spring portion 3s can be formed by two-material formation (insert molding) or the like. Moreover, it can replace with the protrusion 3p of the leaf | plate spring part 3s, and can be set as the site | part comprised by thickening the leaf | plate spring part 3s toward the front-end | tip.

  The above description shows only one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, although the above-mentioned each form demonstrated the dispenser for 2 agent mixing, it is applicable also when mixing 3 agents and 4 agents, and is limited to the dispenser for 2 agent mixing. It is not a thing. Furthermore, each structure employ | adopted for each above-mentioned form can be combined with each other suitably.

  As long as the mixed dispenser of the present invention is used to mix and dispense different types of contents immediately before use, not only drugs such as hair dyes, but also beverages in the medical field and tea Applicable to fields.

DESCRIPTION OF SYMBOLS 1 Aerosol container 1a Stem 1c Mounting cup 2 Aerosol container 2a Stem 2c Mounting cup 3 Press head 3a Base body 3a ₁ Bottom plate 3a ₂ Surrounding wall 3a ₃ Flange 3a ₄ Cylindrical body 3a ₅ Cylindrical body 3b Cover body 3b ₁ Circumferential wall 3b ₂ Top wall 3c Hinge 3d nozzle 3p protrusion (locking means C ₂ )
3s leaf spring part 3s ₁ curved part 3s ₂ support part 3h hinge 4 base cover 4a holder 4b outer cover 4b ₁ peripheral wall 4b ₂ top wall 4b ₃ inner side wall 4b ₄ bottom wall 4b ₅ recessed side wall 4p protrusion (locking means C ₁ )
4s thin portion 5 the operating lever 5a guide wall portion 5b operation piece 5f operation piece lower surface 5p projection (locking means C _1, C ₂₎
6 pressing head-side protrusion 7 operating lever side protruding portion 8 a mixing member 8a member body 8b fin P ₁ front recess P ₂ rear recess r _1, r ₂ discharge path t recess

Claims (5)

A pressure head that has an internal space that communicates with each stem of an aerosol container filled with different types of contents, and that discharges the contents discharged from the internal space to the outside through a single nozzle as a mixture; A base cover that surrounds at least the shoulder with the pressing head and holds the aerosol container in a lump together, and an operation of pushing the pressing head by a pivoting operation with the hinge as a fulcrum and discharging the contents from each stem of the aerosol container A mixed dispenser comprising a lever,
The pressing head is provided with a leaf spring portion that stands up by cantilever support and brings a free end thereof into contact with the lower surface of the operating lever, thereby providing a restoring force that resists the pressing when the operating lever is pressed down.
When the operating lever is pushed down on at least one of the base cover and the leaf spring, the operating lever is caught to restrict the pushing down of the operating lever, and the hook is released by further pushing down the operating lever. Providing stop means ,
Further, the pressing head is connected to each stem of the aerosol container and has a plurality of cylindrical bodies that form a discharge path for the contents, and is connected to the base body through a hinge so as to be opened and closed, and covers the base body to cover the inside. And a cover body that defines the internal space.
The cover body has a single nozzle provided integrally at an equal distance from the outlet side end of each discharge path of the cylindrical body, and
In the width direction of the base body, the plate spring portion is integrally connected via a hinge with a gap so as to sandwich the nozzle .   2. The mixed dispenser according to claim 1, wherein the locking means includes a protrusion provided on an outer surface of the operation lever, and a protrusion provided on a side wall of the recess that forms a recess in the base cover.   3. The mixed dispenser according to claim 2, wherein an opening for allowing deformation and restoration around a protrusion provided on the recess side wall is provided on the recess side wall of the base cover.   2. The mixed dispenser according to claim 1, wherein the locking means includes a protrusion provided on the lower end surface of the operation lever and a protrusion provided on the upper end surface of the leaf spring portion. 5. The guide wall according to claim 1, wherein the operating lever is fitted and fixed inside the side wall of the base cover, and guides the movement of the pressing head by pushing the side wall with the side wall as a guide. An operation piece connected to the guide wall portion via a hinge so as to be rotatable, and the lower end surface of the operation piece is brought into contact with the upper end portion of the press head to directly press the press head. Characteristic mixed dispenser.

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