WO2022034800A1 - 吐出装置 - Google Patents

吐出装置 Download PDF

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Publication number
WO2022034800A1
WO2022034800A1 PCT/JP2021/028126 JP2021028126W WO2022034800A1 WO 2022034800 A1 WO2022034800 A1 WO 2022034800A1 JP 2021028126 W JP2021028126 W JP 2021028126W WO 2022034800 A1 WO2022034800 A1 WO 2022034800A1
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WO
WIPO (PCT)
Prior art keywords
operation button
discharge device
push
pressing
head
Prior art date
Application number
PCT/JP2021/028126
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
雄也 内山
Original Assignee
株式会社資生堂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社資生堂 filed Critical 株式会社資生堂
Priority to JP2022542626A priority Critical patent/JPWO2022034800A1/ja
Publication of WO2022034800A1 publication Critical patent/WO2022034800A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping
    • B05B11/1084—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping each liquid or other fluent material being pumped by a separate pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents

Definitions

  • the present invention relates to a discharge device.
  • Patent Document 1 discloses an ejection container in which an operation of simultaneously ejecting and mixing two liquids and an operation of selecting and ejecting a required one liquid can be easily selected.
  • a push-down head 3 with an ejection nozzle 11 is attached to the upper part of a liquid ejection stem 2 that is urged upward and stands up, are arranged side by side. It is equipped with a pair of left and right containers. Then, by pushing down the upper surface of the push-down plate 42 placed on the upper surface of the inner portion of both push-down heads 3 and 3 in the left-right direction, both push-down heads 3 and 3 can be pushed down at the same time. By pushing down the upper surface portion of each push-down head exposed to the outside of the lowering plate 42, the push-down head can be pushed down independently.
  • one aspect of the present invention is to reduce the load required for simultaneous discharge in a discharge device capable of simultaneously discharging fluids contained in separate containers.
  • One aspect of the present invention is a discharge device including two dischargers each having a pump unit capable of discharging fluid in a container by pushing down the stem, and the stem is placed on the two dischargers.
  • Each push-down head is provided, and an operation button capable of pushing down the push-down head by applying a load to both of the push-down heads at the same time is provided.
  • a lever structure is formed with a fulcrum at a position further forward and offset downward from the top surface.
  • FIG. 1 is a cross-sectional view taken along the line II of FIG. It is sectional drawing corresponding to FIG. 3, and is the figure which shows the state at the time of the 1st operation. It is sectional drawing corresponding to FIG. 3, and is the figure which shows the state at the time of the 2nd operation. It is sectional drawing corresponding to FIG. 3, and is the figure which shows the state at the time of the 3rd operation. It is a perspective view of the discharge device at the time of a 3rd operation.
  • FIG. 6 is a sectional view taken along line IV-IV of FIG. It is a perspective view of the body part.
  • FIG. 6 is a sectional view taken along line II-II of FIG.
  • FIG. 6 is a sectional view taken along line III-III of FIG.
  • It is a perspective view which shows the push head and the nozzle part in the disassembled state.
  • It is a side view which shows the push head and the nozzle part in the combined state.
  • It is a perspective view which shows two sets of push heads and a nozzle part in the state which is assembled with a discharge device.
  • 14 is a side view of the two sets of pressing heads and nozzles of FIG. 14 as viewed from the right side and the left side, respectively.
  • FIG. 1 shows a perspective view of the present embodiment.
  • FIG. 1 shows, as an example, a discharge device 100 including two dischargers 1A and 1B.
  • FIG. 2 shows an exploded view of the discharge device 100 of FIG.
  • FIG. 3 shows a sectional view taken along line II of FIG.
  • the dischargers 1A and 1B included in the discharge device 100 are pumps capable of discharging the fluid from the accommodating bodies 10A and 10B, respectively, and the accommodating bodies 10A and 10B, respectively. It is equipped with units 20A and 20B. Further, the discharge device 100 is configured so that the fluid is discharged from the side surface of the discharge device 100 (the side surfaces of the accommodating bodies 10A and 10B or the dischargers 1A and 1B), respectively. That is, the discharge portions 72A and 72B of the discharge device 100 are arranged on the side surface.
  • the direction in which the dischargers 1A and 1B are lined up is defined as the left-right direction
  • the axial direction of the dischargers 1A and 1B (the axial direction of the pump units 20A and 20B) is up and down in the direction orthogonal to the left-right direction.
  • the direction is defined as the front-rear direction
  • the direction orthogonal to the left-right direction and the vertical direction is defined as the front-rear direction.
  • the direction from the inside of the discharge device 100 toward the side where the discharge portions 72A and 72B are arranged is called the front direction
  • the direction opposite to the direction is called the rear direction
  • the discharge device 100 is directed to the left when viewed from the front.
  • the direction is called the left direction
  • the direction opposite to the left direction is called the right direction
  • the direction toward the upper side when the discharge device 100 is used in the normal usage method is called the upward direction
  • the direction toward the opposite direction is called the downward direction. ..
  • the fluid discharged by the discharge device according to this embodiment is not limited as long as it exhibits fluidity at least at the time of discharge and can be extruded from the discharge portion of the discharge device 100 to the outside of the discharge device 100.
  • the fluid may be a liquid, eg, a liquid of a pure substance or a liquid mixture. Further, the fluid may be, for example, a solution, a dispersion such as an emulsion or a suspension, or may be in a state called a gel, a slurry, a paste, a cream or the like.
  • the fluid may contain a powder, may be predominantly a powder, or may be substantially or consist of a powder.
  • the fluid may be a mixture of the fluid and a gas such as nitrogen, a rare gas, or air and contained in a foam-like container, or the dischargers 1A and 1B. By operating the above gas, it may be mixed with the above gas and discharged in the form of bubbles. Further, the fluid may be in a state having a viscosity similar to that of water or a viscosity smaller than that of water, or may be a paste or cream having a viscosity higher than that of water.
  • the viscosity of the fluid discharged by the discharge device 100 according to the present embodiment is preferably 3000 to 150,000 mPa ⁇ s at 30 ° C., and more preferably 5000 to 30000 mPa ⁇ s.
  • Liquids include skin care products such as lotions, milky lotions, face creams, beauty liquids, facial cleansers, cleansing agents, basic cosmetics, foundations, makeup bases, concealers, liquid eye shadows, liquid teaks, makeup cosmetics such as liquid lip products, etc. It may be a sunscreen, a hand soap, a body soap, a hair shampoo, a hair dye, a styling agent, a hand cream, a body cream, a personal care product (sanitary daily necessities) such as a body lotion, a fragrance product, or the like. Further, the fluid is not particularly limited as long as it has fluidity, and may be food (for example, seasoning), paint or the like in addition to the above-mentioned cosmetics and the like.
  • skin care products such as lotions, milky lotions, face creams, beauty liquids, facial cleansers, cleansing agents, basic cosmetics, foundations, makeup bases, concealers, liquid eye shadows, liquid teaks, makeup cosmetics such as liquid lip products, etc. It may be a sunscreen
  • the fluid can be discharged independently from the discharger 1A or 1B, or the fluid can be discharged from the dischargers 1A and 1B at the same time. Therefore, each time the discharge device 100 is used, the user can use only the first fluid housed in the container 10A, and is housed in the container 10B, depending on his / her wishes or circumstances. Only the second fluid can be used, or the mixture obtained by simultaneously discharging the first fluid and the second fluid and mixing them by themselves can be used.
  • the first fluid contained in the container 10A is a moist type (highly moisturizing effect) emulsion
  • the second fluid stored in the container 10B is a refreshing type (highly refreshing effect).
  • the user can use either the moist type milky lotion or the refreshing type milky lotion by discharging it from the discharge device 100, and the moist type milky lotion and the refreshing type milky lotion can be used.
  • a milky lotion mixture can be used by discharging both to provide an intermediate feeling of use between the two milky lotions.
  • the discharge device 100 according to this embodiment is suitably used as a discharge device for cosmetics or personal care products, particularly for skin care products such as milky lotion, base make-up cosmetics such as foundation, and point make-up products such as eye shadow. be able to.
  • the dischargers 1A and 1B can be pump-type dischargers including the accommodating bodies 10A and 10B and the pump units 20A and 20B arranged on the accommodating bodies 10A and 10B, respectively.
  • the type of the pump in the pump units 20A and 20B is not particularly limited, and may be a known type used in a discharger or a dispenser that discharges a fluid.
  • the pump units 20A and 20B may be capable of changing the indoor pressure in the pump unit by, for example, sliding a stem or a piston, and may be capable of discharging fluid when the indoor pressure is increased.
  • the pump units 20A and 20B are provided with stems 22A and 22B slidable in the vertical direction, respectively.
  • the stems 22A and 22B are slidable in the vertical direction relative to the housings 10A and 10B.
  • the pump units 20A and 20B may be those in which the fluid is transferred through the hollow stems 22A and 22B.
  • the pump units 20A and 20B may be those in which the stems 22A and 22B slide to operate the dischargers 1A and 1B by other known methods.
  • the stems 22A and 22B are connected to the pump unit elastic means 25A and 25B such as a compression spring, respectively.
  • the pump unit elastic means 25A and 25B allow the stems 22A and 22B once pushed down to easily return to their original positions.
  • the fluids sent out from the housings 10A and 10B by the pump units 20A and 20B are discharged from the predetermined discharge portions to the outside of the discharge device 100 through the predetermined flow paths in the dischargers 1A and 1B, respectively. be able to.
  • the fluid extruded by the pump units 20A and 20B finally passes through the flow paths 79A and 79B in the nozzle portions 70A and 70B from the discharge portions 72A and 72B to the outside of the discharge device 100, respectively. It is configured to discharge.
  • the discharge portions 72A and 72B are in the form of a cylindrical nozzle, preferably a cylindrical nozzle, that protrudes forward from the front surface of the discharge device 100.
  • the pressing heads 60A and 60B are arranged above the dischargers 1A and 1B, respectively. ..
  • the pressing heads 60A and 60B are provided with downward protrusions 64A and 64B on the lower side. Then, the downward projecting portions 64A and 64B are fitted to the receiving portions formed on the upper portions of the stems 22A and 22B of the pump units 20A and 20B, whereby the pressing heads 60A and 60B and the stems 22A and 22B are coupled. There is.
  • the top surfaces 61A and 61B of the pressing heads 60A and 60B are exposed upward, and the user can place a finger on the top surfaces 61A and 61B and push the pressing heads 60A and 60B downward.
  • the stems 22A and 22B can be pushed down.
  • the top surfaces 61A and 61B of the pressing heads 60A and 60B are preferably flat from the viewpoint of ease of pressing and aesthetics.
  • the pressing heads 60A and 60B are coupled to the nozzle portions 70A and 70B by fitting on the center side when viewed in the left-right direction.
  • the first fluid housed in the housing 10A moves upward through the flow paths 29A and 29B in the hollow stem 22A, and further moves upward through the flow paths 69A and 69B and the nozzle in the push head 60A. It is guided toward the center in the left-right direction through the flow paths 79A and 79B in the portion 70A in order, and can be further discharged from the discharge portion 72A (FIGS. 1 and 2) arranged on the front surface.
  • the second fluid housed in the housing body 10B can be discharged in the same manner.
  • the nozzle portion 70A and the nozzle portion 70B are separate and do not communicate with each other.
  • the two types of fluid can be discharged separately from the discharge units 72A and 72B to the outside. That is, in the present discharge device 100, since the two types of fluids are not mixed before being discharged to the outside, the two types of fluids whose viscosity or other flow-related properties may change due to the mixing. Even if they are housed in the housing bodies 10A and 10B, respectively, the possibility that the two types of fluids are clogged in the discharge device 100 can be reduced.
  • the dischargers 1A and 1B have the same configuration. That is, the pump units 20A and 20B have the same configuration. However, the dischargers 1A and 1B may have different configurations as long as they can discharge the fluid by sliding the stem (or piston).
  • the pump units 20A and 20B may be those that discharge the fluid as it is, or those that mix the fluid with a gas and discharge it in the form of bubbles.
  • the dischargers 1A and 1B are fixed to the body portion 30, respectively, and the positions of the dischargers 1A and 1B are also fixed to each other. More specifically, the dischargers 1A and 1B may be fixed to each of the through openings 32A and 32B formed in the body portion 30 by fitting or screwing. In that case, the pump units 20A and 20B fixed to the accommodating bodies 10A and 10B may be fixed to the through holes 32A and 32B, or the accommodating bodies 10A and 10B themselves may be fixed to the through ports 32A and 32B. good.
  • Front openings 38A and 38B are formed on the front surface of the body portion 30.
  • the discharge portions 72A and 72B of the nozzle portions 70A and 70B described above project forward through the front openings 38A and 38B of the body portion 30 (FIG. 1).
  • the operation method of the discharge device 100 according to this embodiment will be described with reference to FIGS. 3 to 6.
  • the first operation of discharging only the first fluid contained in the housing 10A from the discharger 1A and the second operation of discharging only the first fluid housed in the housing 10A from the discharger 1B to the housing 10B. It is possible to perform three types of operations: a second operation for discharging only the fluid, and a third operation for simultaneously discharging the first fluid and the second fluid from the dischargers 1A and 1B.
  • the state shown in FIG. 3, which is a cross-sectional view taken along the line II of FIG. 1, is a state in which the user does not apply force to the discharge device 100 and the discharge device 100 is not operating, that is, a non-operating state.
  • both the pressing head 60A and the pressing head 60B are in the highest positions, and the top surface 61A of the pressing head 60A and the top surface 61B of the pressing head 60B also have an operation button 80 having a flat top surface 81 (described later). ) Is flush with the top surface 81.
  • FIG. 4 is a diagram corresponding to FIG. 3, and shows a state in which only the push head 60A is pushed down for the above-mentioned first operation (operation of discharging only the first fluid from the discharger 1A).
  • the pressing head 60A, the nozzle portion 70A, and the stem 22A are moved downward.
  • the pump unit 20A is operated, and the first fluid in the accommodating body 10A can be discharged.
  • the push head 60B, the nozzle portion 70B, and the stem 22B are not moved. That is, the first operation has no effect on the discharger 1B, and the second fluid is not discharged from the discharger 1B.
  • the pump units 20A and 20B are provided with pump unit elastic means 25A and 25B, respectively, so that the stems 22A and 22B return to their original positions after the stems 22A and 22B are pushed down, respectively.
  • the pump unit elastic means 25A and 25B may be, for example, a compression spring, preferably a compression coil spring.
  • the pump unit elastic means 25A is compressed as the stem 22A moves downward. Due to this compression, the pump unit elastic means 25A generates a stress (restoring stress) in which the elastic means tries to return to the state before compression. Therefore, when the force applied to the pressing head 60A by the user is released, the pump unit The elastic means 25A naturally stretches and returns to its original length. As a result, the stem 22A arranged on the pump unit elastic means 25A, and the push head 60A and the nozzle portion 70A connected to the stem 22A are automatically pushed up to their original positions (the state shown in FIG. 3). ) Can be returned.
  • FIG. 5 is a diagram corresponding to FIG. 3, and shows a state in which only the push head 60B is pushed down for the second operation (the operation of discharging only the second fluid from the discharger 1B).
  • the push head 60B, the nozzle portion 70B, and the stem 22B are moved downward.
  • the pump unit 20B is operated, and the second fluid in the accommodating body 10B can be discharged.
  • the pressing head 60A, the nozzle portion 70A, and the stem 22A are not moved. That is, the second operation has no effect on the discharger 1A, and the first fluid is not discharged from the discharger 1A.
  • the operation and function of the pump unit elastic means 25B in the second operation are the same as those of the pump unit elastic means 25A in the first operation.
  • the stem 22B arranged under the push head 60B is pushed down, and the pump unit elastic means 25B is compressed.
  • the pump unit elastic means 25B expands and returns to the original state, so that the stem 22B arranged on the pump unit elastic means 25B and the stem 22B
  • the push head 60B and the nozzle portion 70B connected to the stem 22B are automatically pushed up and can return to the original state (the state shown in FIG. 3).
  • FIG. 6 shows a cross-sectional view corresponding to FIG. 3 in a state where the operation button 80 is pressed in the third operation.
  • FIG. 7 shows a perspective view of the discharge device 100 in a state where the operation button 80 is pressed in the third operation.
  • FIG. 8 shows a sectional view taken along line IV-IV of FIG.
  • the operation button 80 is arranged so as to overlap a part of the pressing head 60A and a part of the pressing head 60B in the vertical direction (see also FIG. 3). As shown in FIG. 2 and the like, the operation button 80 has side walls 82A and 82B extending downward, more specifically, extending substantially parallel to a surface including the front-rear direction and the up-down direction. The side walls 82A and 82B overlap with the pressure receiving surfaces 62A and 62B of the pressing heads 60A and 60B in the vertical direction. The pressure receiving surfaces 62A and 62B extend substantially parallel to the surfaces including the front-rear direction and the left-right direction.
  • the pressing ends (pressing portions) 82Aa and 82Ba protruding downward are formed on the lower side of the side walls 82A and 82B of the operation button 80, when a load is applied to the operation button 80 in the downward direction, the pressing ends (pressing portions) 82Aa and 82Ba are formed.
  • the operation button 80 comes into contact with the pressure receiving surfaces 62A and 62B of the pressing heads 60A and 60B at the pressing ends 82Aa and 82Ba. Then, at this contact position, the load applied to the operation button 80 can be transmitted to the pressing heads 60A and 60B.
  • the operation button 80 includes protrusions 82Ac and 82Bc protruding inward in the left-right direction from the inner surfaces of the side walls 82A and 82B at the front lower ends of the side walls 82A and 82B. ing.
  • the projecting portions 82Ac and 82Bc engage with the projecting portion receiving portions 34A and 34B (FIG. 9) formed inside the front surface of the body portion 30 in a state of being assembled to the discharge device 100, respectively.
  • the protrusions 82Ac and 82Bc are arranged inside the protrusions 34A and 34B, and are front and rear with respect to the immovable protrusions 34A and 34B. It is relatively rotatable along a surface including the direction and the vertical direction. As a result, the operation button 80 can swing the rear portion of the operation button 80 while being supported at a predetermined position in front by the protrusion receiving portions 34A and 34B.
  • the operation button 80 can function by having a fulcrum in the front because the rear portion is configured to be swingable while being supported by the body portion 30 at a predetermined position in the front. More specifically, in the operation button 80, a predetermined position in front of the operation button 80 is used as a fulcrum, a predetermined position behind the fulcrum of the operation button 80 is used as a power point, and a predetermined position between the fulcrum and the power point is set in the front-back direction.
  • a lever structure can be formed as a point of action.
  • FIG. 10 shows a partially enlarged view of the cross section taken along line II-II of FIG.
  • FIG. 10 is a cross section cut so as to pass through the side wall 82A on the left side of the operation button 80.
  • the user can, for example, place a finger on the rear end of the top surface 81 of the operation button 80 and apply a downward force.
  • the position behind the operation button 80 on the top surface 81 is the force point E.
  • the protruding portion 82Ac of the operation button 80 is supported by the protruding portion receiving portion 34A (FIG. 9) of the body portion 30, when a downward force is applied to the force point E, the entire operation button 80 is applied. Is not pushed down, but the rear part of the operation button 80 is displaced so as to be inclined downward.
  • the side wall 82A rotates about the protrusion 82Ac along a surface including the front-rear direction and the vertical direction (FIG. 10). That is, the position of the protruding portion 82Ac of the side wall 82A can be the fulcrum F of the lever.
  • the pressing end 82Aa partially protruding downward is formed at the lower end of the side wall 82A of the operation button 80, when the operation button 80 is pressed down at the force point E, the pressing end is formed.
  • the position of 82Aa becomes the point of action L, and a load is applied to the pressure receiving surface 62A of the pressing head 60A arranged below the pressing end 82Aa.
  • the operation button 80 has a lever structure in which the fulcrum F is located in the front and the force point E is located in the rear, and the action point L is located between the fulcrum F and the force point E when viewed in the front-rear direction, so-called second.
  • a seed lever is formed.
  • the lever structure makes it possible to convert the load applied to the force point E into a larger load at the point of action L. Therefore, the user can reduce the load required for the user to press down the operation button 80 at the power point E.
  • the load to be applied to the force point is reduced by moving the position of the force point away from the point of action. Therefore, from the viewpoint of simply reducing the load, in the discharge device 100 of the present embodiment, the length of the operation button 80 in the front-rear direction is lengthened so that the force point E of the operation button 80 can be separated from the action point L in the front-rear direction. Then, it is conceivable to project from the back surface of the push head 60A and 60B (the back surface of the discharge device 100). However, if the operation button 80 is projected, the aesthetics may be impaired depending on the design, and the handling in boxing at the time of shipment may be complicated. On the other hand, this embodiment has high aesthetics in which the rear end of the operation button 80 and the rear ends of the pressing heads 60A and 60B are aligned, and the load required for pressing down the operation button 80 is further reduced. It provides a discharge device 100.
  • the power point E is located on the top surface 81 of the operation button 80, while the fulcrum F is located at a position shifted downward from the top surface 81 of the operation button 80 (FIG. 10). Therefore, in the lever structure in which the fulcrum F is displaced downward from the top surface 81 of the operation button 80, the fulcrum F and the force point E are both located on the top surface 81 of the operation button 80 as compared with the case where the fulcrum F is located on the top surface 81 of the operation button 80.
  • the length of the line connecting the fulcrum E can be made longer. Therefore, the required load applied at the force point E (the load required for pushing down the double pressing heads 60A and 60B) can be further reduced.
  • the distance ⁇ h (FIG. 10) in which the fulcrum F is displaced downward from the top surface 81 is preferably 5 to 8 mm.
  • ⁇ h may be the length from the top surface 81 to the lower end of the protrusion 82Ac in a state where the operation button 80 is not pressed (non-operating state, FIGS. 1 and 3).
  • the length of the top surface of the operation button 80 in the front-rear direction may be 15 to 60 mm.
  • FIG. 11 shows a partially enlarged view of the cross section of the line III-III in FIG.
  • the cross-sectional view of FIG. 11 is a view cut at a position inside the side wall 82A of the operation button 80 in the left-right direction and outside the center in the left-right direction.
  • the operation button 80 may be formed with a central protrusion 85 that protrudes downward at the center in the left-right direction. Then, as shown in FIGS. 6 and 11, the central protruding portion 85 abuts on the abutting portion 37 (see also FIG. 9) protruding upward inside the body portion 30, thereby lowering the operation button 80. Movement in a direction can be restricted. Further, the operation button 80 can be supported in a pressed state. The size of the maximum pressing stroke of the operation button 80 can be specified according to the height and shape of the contact portion 37, the shape of the operation button 80 (particularly the position of the point of action L), and the like.
  • a rear wall 86 extending downward is formed at the rear portion of the operation button 80, and a claw (locking portion) 86a projecting backward is formed at the lower end of the rear wall 86. ..
  • the claw 86a may be formed so as to extend in the left-right direction.
  • the claw 86a is adapted to engage with the claw receiving portion 36 formed at the upper end of the rear wall of the body portion 30 in the non-operating state (FIGS. 1 and 3).
  • the claw receiving portion 36 is a portion that protrudes in the forward direction and is a portion that prevents the claw 86a from moving upward.
  • the power point E is located at the rear end of the top surface 81 of the operation button 80, but the position of the power point E, that is, the position where the user pushes down the operation button 80 in the third operation. May be a position in front of the rear end of the operation button 80.
  • the position of the force point E is preferably behind the positions of the pressing ends 82Aa and 82Ba of the side walls 82A and 82B in the front-rear direction.
  • the pressing heads 60A and 60B and the nozzle portions 70A and 70B in this embodiment will also be described.
  • the push heads 60A and 60B and the nozzle portions 70A and 70B are separate members, but fluid communication can be performed by connecting them.
  • FIG. 12 shows an enlarged perspective view of the pressing head 60A and the nozzle portion 70A in a separated state.
  • FIG. 13 shows a side view of the pressing head 60A and the nozzle portion 70A in a connected state.
  • the orientations (front-back direction, left-right direction, vertical direction) of the push head 60A and the nozzle portion 70A in FIGS. 12 and 13 are the orientations when these members are incorporated in the discharge device 100. And.
  • the push head 60A has a downstream opening 63A of the flow path 69A (FIG. 3 and the like) on the right side (the side facing the inside of the discharge device 100).
  • the nozzle portion 70A has an upstream opening 73A of the flow path 79A (FIG. 3 and the like) on the left side of the nozzle portion base 71A (the side facing the outside of the discharge device 100).
  • the push head 60A and the nozzle portion 70A can be fitted to each other, and by this fitting, the center of the push head 60A with the downstream opening 63A and the center of the upstream opening 73A of the nozzle portion 70A are aligned. Then, the flow path 69A of the push head 60A and the flow path 79A of the nozzle portion 70A communicate with each other.
  • the pressing head 60A and the nozzle portion 70A are fitted to each other so as to be relatively rotatable. Therefore, the cylindrical discharge portion 72A extending in a direction substantially orthogonal to the extending direction of the nozzle portion base 71A can also rotate around the nozzle portion base 71A or around the center of the upstream opening 73A. ing. That is, the direction of the discharge portion 72A can be arbitrarily determined.
  • the push head 60A is provided with a front plate 65Af extending forward along a surface including the vertical direction and the horizontal direction, and extends rearward along the surface including the vertical direction and the horizontal direction.
  • a rear plate 65Ab is provided.
  • the front plate 65Af has a notch 66Af formed on the center side of the front plate 65Af in the left-right direction
  • the rear plate 65Ab also has a notch 66Ab formed on the center side of the rear plate 65Ab in the left-right direction. There is. Since the front plate 65Af and the rear plate 65Ab are formed, it is possible to prevent the structure inside the discharge device 100 from being seen through the front opening 38A when the discharge device 100 is viewed from the front, and the aesthetics of the discharge device 100 are enhanced.
  • the tubular discharge portion 72A of the nozzle portion 70A can be passed through the notch 66Af formed in the front plate 65Af. That is, the size and shape of the notch 66Af are set so that the discharge portion 72A can penetrate and extend.
  • the discharge portion 72A of the nozzle portion 70A extends through the notch 66Af formed in the front plate 65Af, so that the discharge portion 72A can be supported in the vertical direction. Even if a force is unintentionally applied to the discharge portion 72A in the vertical direction, it is possible to prevent the discharge portion 72A from being damaged.
  • the discharge portion 72A does not extend parallel (horizontally) with respect to the front-rear direction, but extends at an angle with respect to the front-rear direction. This is due to the relative positional relationship between the downstream opening 63A to which the nozzle portion 70A is connected and the notch 66Af formed in the front plate 65Af in the pressing head 60A.
  • the line Y that passes through the center of the notch 66Af of the front plate 65Af in the vertical direction and along the front-rear direction does not pass through the center O of the downstream opening 63A of the push head 60A. That is, in the pressing head 60A, the notch 66Af is formed so as to be displaced in the vertical direction from the downstream opening 63A.
  • the angle of the discharge portion 72A of the nozzle portion 70A with respect to the front-rear direction can be appropriately set depending on the configuration of the push head 60A.
  • the discharge portion 72A is configured so that the tip of the discharge portion 72A faces slightly upward.
  • the fluid left in the discharge unit 72A after the discharge operation is completed is discharged to the outside of the discharge unit 72A (liquid dripping after the discharge operation). Also called) can be prevented.
  • the degree to which the discharge portion 72A faces upward is to prevent liquid dripping. From the viewpoint of improving the effect, it is preferably 9 ° or more. Further, by setting the angle ⁇ to 15 ° or less, it is easy to pick up the discharged fluid, and it is possible to avoid spoiling the aesthetic appearance due to the tip rising extremely.
  • the configuration of the push head 60A and the nozzle portion 70A has been described above with reference to FIGS. 12 and 13, but the above description also applies to the push head 60B and the nozzle portion 70B if left-right inverted.
  • the combination of the push head 60A and the nozzle portion 70A and the combination of the push head 60B and the nozzle portion 70B are arranged side by side in the discharge device 100.
  • FIG. 14 shows a perspective view of the pressing heads 60A and 60B and the nozzle portions 70A and 70B arranged in the discharging device 100 in the non-operating state of the discharging device 100.
  • FIG. 15 shows a view of the combination of the push head 60A and the nozzle portion 70A from the right side (FIG. 15A) and a view of the combination of the push head 60B and the nozzle portion 70B from the left side (FIG. 15). (B)) and are shown side by side.
  • the combination of the push head 60A and the nozzle portion 70A and the combination of the push head 60B and the nozzle portion 70B are symmetrical.
  • the front plate 65Af and the rear plate 65Ab of the pressing head 60A are similarly configured. More specifically, the front plate 65Af and the rear plate 65Ab of the pressing head 60A are configured to be symmetrical with respect to the line X along the left-right direction. That is, the front plate 65Af and the rear plate 65Ab have the same shape, and are arranged at the same positions in the vertical direction and the horizontal direction. The notch 66Af and the notch 66Ab are formed in the same shape and size, and at the same position in the vertical direction and the horizontal direction.
  • the front plate 65Bf and the rear plate 65Bb of the pressing head 60B are configured symmetrically with respect to the line X along the left-right direction. That is, the front plate 65Bf and the rear plate 65Bb have the same shape, and are arranged at the same positions in the vertical direction and the horizontal direction.
  • the notch 66Bf and the notch 66Bb are formed in the same shape and size, and at the same position in the vertical direction and the horizontal direction.
  • the pressing head 60A and the pressing head 60B which are symmetrical in the front-rear direction, can exhibit the same function even if they are exchanged. Therefore, if the pressing head is formed from one mold, the pressing head can be used as both the pressing head 60A and the pressing head 60B.
  • the nozzle portion 70A is also configured to perform the same function regardless of whether the nozzle portion 72A is attached so as to protrude forward or backward. That is, the nozzle portion 70A is formed symmetrically in the front-rear direction when viewed in the attached state shown in FIG. 15A. Similarly, the nozzle portion 70B is also formed symmetrically in the front-rear direction when viewed in the attached state shown in FIG. 15 (b).
  • the nozzle portion 70A can be replaced so that the discharge portion 72A is arranged so as to project rearward through the notch 66Ab of the rear plate 65Ab. Then, the combination of the pressing head 60B and the nozzle portion 70B shown in FIG. 15B is in the same state. Further, in FIG. 15B, the nozzle portion 70B can be replaced so that the discharge portion 72B can be arranged so as to project rearward through the notch 66Bb of the rear plate 65Bb. Then, the combination of the pressing head 60A and the nozzle portion 70A shown in FIG. 15A is in the same state.
  • the push head 60A and the push head 60B may have the same shape, and the nozzle portion 70A and the nozzle portion 70B may have the same shape. Therefore, for example, when the member is molded by a molding method using a mold, only one type of mold may be used for manufacturing the pressing heads 60A and 60B, and for manufacturing the nozzle portions 70A and 70B. The type used for is also limited to one type. Therefore, according to this embodiment, the pressing heads 60A and 60B and the nozzle portions 70A and 70B can be manufactured more easily, and the manufacturing cost can be suppressed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
PCT/JP2021/028126 2020-08-11 2021-07-29 吐出装置 WO2022034800A1 (ja)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003012060A (ja) * 2001-06-29 2003-01-15 Yoshino Kogyosho Co Ltd エアゾール缶スパウト
JP2011201592A (ja) * 2010-03-26 2011-10-13 Yoshino Kogyosho Co Ltd 多連式吐出容器
JP2011213400A (ja) * 2010-03-31 2011-10-27 Yoshino Kogyosho Co Ltd 二連式容器
JP2017070618A (ja) * 2015-10-09 2017-04-13 花王株式会社 二剤吐出装置のキャップ及びキャップ付二剤吐出装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5409477B2 (ja) * 2010-03-26 2014-02-05 株式会社吉野工業所 多連式吐出容器
JP6416515B2 (ja) * 2014-04-03 2018-10-31 株式会社ダイゾー 吐出容器
JP2019189259A (ja) * 2018-04-20 2019-10-31 株式会社 資生堂 吐出器、及び吐出装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003012060A (ja) * 2001-06-29 2003-01-15 Yoshino Kogyosho Co Ltd エアゾール缶スパウト
JP2011201592A (ja) * 2010-03-26 2011-10-13 Yoshino Kogyosho Co Ltd 多連式吐出容器
JP2011213400A (ja) * 2010-03-31 2011-10-27 Yoshino Kogyosho Co Ltd 二連式容器
JP2017070618A (ja) * 2015-10-09 2017-04-13 花王株式会社 二剤吐出装置のキャップ及びキャップ付二剤吐出装置

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