WO2008016012A1 - Distributeur à pompe de type à gâchette - Google Patents

Distributeur à pompe de type à gâchette Download PDF

Info

Publication number
WO2008016012A1
WO2008016012A1 PCT/JP2007/064905 JP2007064905W WO2008016012A1 WO 2008016012 A1 WO2008016012 A1 WO 2008016012A1 JP 2007064905 W JP2007064905 W JP 2007064905W WO 2008016012 A1 WO2008016012 A1 WO 2008016012A1
Authority
WO
WIPO (PCT)
Prior art keywords
trigger
piston
pump dispenser
type pump
base body
Prior art date
Application number
PCT/JP2007/064905
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuya Tada
Original Assignee
Canyon Co., Ltd.
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 Canyon Co., Ltd. filed Critical Canyon Co., Ltd.
Publication of WO2008016012A1 publication Critical patent/WO2008016012A1/fr

Links

Classifications

    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1012—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1014—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container the pump chamber being arranged substantially coaxially to the container
    • 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
    • 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
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the present invention relates to a trigger type pump dispenser that is extremely easy to assemble.
  • the present invention relates to a trigger type pump dispenser that has a small number of parts and can be easily assembled by integrating a cover member and a base body or a trigger and a spring body.
  • a trigger-type pump dispenser has been used as means for injecting a chemical solution or the like to a predetermined portion.
  • This pump dispenser is useful because it has the advantage that the piston can be moved just by pulling the trigger, and the liquid in the cylinder communicating with the container can be easily ejected from the nozzle.
  • a trigger-type pump dispenser having such a trigger for example, see Patent Document 1 and Patent Document 2
  • many parts such as a cover member, a spring body, a trigger, a base body, a cylinder, and a piston are included. is necessary.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2002-18331
  • Patent Document 2 Japanese Patent Laid-Open No. 10-43648
  • Patent Document 3 Japanese Patent Laid-Open No. 11 309391
  • Patent Document 4 JP-A-10-57853
  • the present invention has been made on the basis of power and the background art, and has been made to overcome the above technical problems.
  • the present invention provides a trigger type pump dispenser with as few parts as possible. Another object is to provide a pump dispenser that is easy to assemble.
  • the present invention is (1) a cap attached to the mouth of the container body, a base body engaged with the cap and having a cylinder part and a cover member, and slidable within the cylinder part.
  • This is a trigger type that includes a simple piston part and a trigger structure that slides the piston part up and down, and that causes the piston part to slide up and down by the rotation of the trigger structure and ejects liquid in the cylinder from the nozzle part to the outside.
  • the cover member is a trigger type pump dispenser in which the cover member is hinged to the rear end of the base body.
  • the present invention also provides (2) the tri-piece according to the above (1), wherein the base body has an expansion portion that expands from the upper portion of the cylinder portion, and the cover member is hinged to the rear end of the expansion portion.
  • the present invention is (3), wherein the trigger structure comprises a trigger, a bifurcated portion extending from the trigger, and a panel portion, and the bifurcated portion is disposed so as to sandwich the piston portion. It exists in the trigger type pump dispenser described in 1).
  • the present invention resides in (4) the trigger type pump dispenser according to the above (3), in which the trigger and the panel portion are caused to cause a spur (return force) on the trigger.
  • the trigger is pivotally attached at its end to the base body at the first pivot part, and at an intermediate position to the piston member at the second pivot part.
  • the ratio of the distance between the first pivot part and the second pivot part and the distance from the position of the first pivot part to the trigger tip of the trigger structure is 1: 4 or more.
  • the present invention provides: (6) The trigger type pump dispenser according to (1), wherein the extended portion of the base body includes a trigger lock that can be rotated to a position where the trigger is stopped. It exists in Saichi. [0013] Further, the present invention resides in (7) the trigger type pump dispenser according to (1), wherein the nozzle portion can be switched to four liquid injection states including blocking.
  • the nozzle portion is fixed to the cover member, and the piston member includes a nozzle portion and a connecting portion capable of bending deformation that connects the nozzle portion and the piston portion.
  • the piston is actively absorbed by the bending deformation of the connecting portion.
  • the trigger type pump dispenser of the present invention is easy to assemble because the cover member is hinged to the rear end of the base body.
  • the base body has an extension part that expands from the upper part of the cylinder part, and the cover member is hinged to the rear end of the extension part so that the position of the pivoting part relative to the base body of the trigger structure Can be backwards.
  • the trigger structure is composed of a trigger, a bifurcated portion extending from the trigger, and a panel portion.
  • the bifurcated portion is disposed so as to sandwich the piston portion, so that assembly is facilitated and failure is reduced. .
  • the return force can be obtained efficiently by generating a repulsive force (return force) on the trigger due to the proximity of the trigger and the panel part.
  • this structure absorbs the vertical movement of the piston by the bending deformation of the connecting portion, it does not require extra parts and the structure is simple and there are few failures.
  • the ratio between the distance between the first pivot part and the second pivot part and the distance from the position of the first pivot part to the trigger tip of the trigger structure is 1: 4 or more. This makes it easier to pull the trigger.
  • the extended portion of the base body is provided with a trigger lock that can be rotated to a position where the trigger structure is stopped, the trigger is not accidentally pulled in.
  • the nozzle part can be switched to four liquid injection states including blocking, the degree of freedom in selecting the liquid injection mode is increased.
  • FIG. 1 and FIG. 2 are views showing a trigger type pump dispenser according to an embodiment of the present invention, and show a state before and after the trigger 31 is pulled.
  • the trigger-type pump dispenser as shown in FIG. 2, is designed to eject the liquid in the cylinder from the nozzle part 21 by pulling the trigger 31 which is a part of the trigger structure 3 and sliding the piston part 23 downward. .
  • This trigger-type pump dispenser is provided with a cap 4 that is directly attached to the container body 7, a base body 1, a trigger structure 3, and a piston structure 2, and a first valve FV and a second valve are formed in a passage formed by these caps.
  • the cap 4 and the base body 1 are made of PP resin
  • the trigger structure 3 is made of POM resin
  • the piston structure 2 is made of LLDPE resin.
  • the cap 4 is detachable by screwing into the mouth of the container body 7.
  • a base body 1 is attached to the cap 4.
  • the base 4 can be easily fixed to the cap 4 with one touch by pressing the lower end of the base body 1 strongly into the hole of the cap 4.
  • the base body 1 includes a hollow cylindrical cylinder portion 11 in which a piston portion 23 described later can be accommodated, and a cover member 12 hinged to the cylinder portion 11.
  • the cylinder part 11 has a part extending outwardly, that is, an extension part 11A, and the cover member is hinged to the rear end of the extension part.
  • the base of the thumb can abut against this to support its weight.
  • FIG. 3 is a view showing the base body, (A) is a plan view, (B) is a side view with the cover member open, and (C) is a side view with the cover member closed.
  • FIG. 3 is a view showing the base body, (A) is a plan view, (B) is a side view with the cover member open, and (C) is a side view with the cover member closed.
  • the cover member is rotatable about the hinge portion H as a fulcrum.
  • the cover member is rotated from the state (B) in the direction of the arrow, the cover member is brought into the state (C) with one touch.
  • a trigger lock 5 for locking the movement of the trigger 31 is provided in front of the extension portion 11A.
  • the trigger lock 5 includes a blocking piece 51 and can be rotated to a position where the trigger 31 is stopped.
  • the blocking piece 51 blocks the movement of the trigger 31 at this stop position.
  • FIG. 4A and 4B are diagrams for explaining the trigger lock.
  • FIG. 4A is a plan view and
  • FIG. 4B is a front view.
  • FIG. 5 is a diagram for explaining a state in which the trigger lock is rotated from the state of FIG. 4 to the trigger stop position, where (A) is a plan view and (B) is a front view.
  • the locking protrusion 52 of the trigger lock 5 is engaged with and attached to the cylindrical portion 11B rising from the base body 1.
  • a cylindrical portion 11C having a smaller diameter is formed under the cylinder portion 11 which is a part of the base body 1, and a first valve FV (valve with spring) is formed in the cylindrical portion 11C.
  • the liquid in the provided container passes through the first valve FV and is sucked into the cylinder 11!
  • an introduction tube that sucks up the liquid at the bottom of the container and introduces it into the first valve FV (valve with spring) is mounted below the cylinder portion 11B.
  • a two-stage hollow cylindrical piston part 23 having a small diameter part 23A in the upper part is slidably provided, and the piston part 23 is a part of the piston structure 2.
  • FIG. 6 is a side view showing the piston structure.
  • the piston structure 2 has a nozzle portion 21 at the tip and a connecting portion 22 that connects the nozzle portion 21 and the piston portion 23 integrally.
  • the nozzle portion 21 is fixed in front of the cover member 12 described above, and is restricted from moving as the piston portion 23 moves! That is, the protrusion 21A at the upper end of the nozzle 21 is engaged with the engagement hole 12A of the cover member 12, so that the nozzle 21 is fixed and does not move up and down.
  • the nozzle section 21 is provided with a second valve SV (valve with spring), and the liquid in the container is finally discharged outward through the second valve SV.
  • a second valve SV valve with spring
  • the nose section 21 has four functions of SPRAY, OFF, JET, and NARROW.
  • connecting portion 22 which is a part of the piston structure 2 described above can be bent and deformed, and as will be described in detail later, when the vertical movement of the piston is positively absorbed by bending deformation, It plays an important role.
  • the trigger structure 3 has a bifurcated portion 32 and a panel portion 33 extending from the trigger 31, and the bifurcated portion 32 is attached to the base body 1 and the piston portion 23, and the spring portion 33 is also a base.
  • the main body 1 is held and fixed in place.
  • FIG. 7 is a side view showing the trigger structure.
  • the trigger structure 3 is pivotally attached to the base body 1 and the piston portion 23 at the end portion and intermediate position of the bifurcated portion 32, respectively.
  • a circular protrusion 32B is formed at the tip of the bifurcated portion 32 of the trigger structure 3, and the circular protrusion 32B is fitted into the hole 11A1 formed in the standing wall portion of the base body 1 to be attached to the first pivot. Part P1.
  • a pair of circular protrusions 23A1 are formed on the side wall of the small-diameter portion 23A that is the upper portion of the piston portion 23, and the bifurcated portion 32 of the trigger structure 3 is arranged so as to sandwich the small-diameter portion 23A. It is installed.
  • the ratio of the distance L1 between the first pivot part P1 and the second pivot part P2 to the distance L2 from the position of the first pivot part P1 to the tip of the trigger 31 is 1 : 4 or more is preferred.
  • This lever ratio can be increased to 1: 4 or more because the second pivot part P2 as in the present invention is installed on the side surface of the piston so that it can be linearized with the first pivot part P1 and shortened. This is because the.
  • the “leverage ratio” is shown based on the position of the tip of the trigger 31 because the position where the index finger and the middle finger are hooked tends to be determined automatically when the length of the trigger 31 is set.
  • the tip of the panel part 33 of the trigger structure 3 is fitted and held and fixed to the step part of the base body 1, and when the trigger 31 is grasped and pulled, the angular force S between the trigger 31 and the spring part 33 is reduced.
  • the trigger acts and the trigger 31 returns to its original position when you release your finger.
  • the piston part 23 has an upper first sealing valve for sealing the inside of the cylinder part 11.
  • first sealing valve 23B1 and the second sealing valve 23B2 of the piston portion 23 allow the outside air P and the inside of the container body to be in communication and non-communication with each other via the vent hole S2. Can be switched to.
  • the wall of the cylinder part 11 is provided with a vent hole S2, and a vent channel for introducing the outside air P into the container body is formed as indicated by an arrow.
  • the height positions of the air holes S2 of the cylinder part 11 are the first sealing valve 23B1 and the second sealing valve 23B2 of the piston part 23.
  • the second sealing valve 23B2 is formed to prevent the liquid that has entered the cylinder part 11 after being sucked up by the introduction hose from leaking, and the outside air P is communicated through the vent hole S2. To prevent this, a first sealing valve 23B1 is formed.
  • the piston 23 is pushed down by the trigger structure 3 (specifically, the bifurcated portion 32), and the first sealing valve 23B1 on the upper side is slid on the inner wall of the cylinder portion 11 while venting. Move down from S2.
  • the outside air P enters the inside of the cylinder part 11 and enters the container body 7 through the vent hole S2, and the negative pressure is released.
  • FIG. 8 shows a pump dispenser described so far provided with means for preventing liquid leakage from the nozzle portion.
  • a rod-like closing valve 6 is erected on the bottom of the cylinder part 11 and enters the small diameter part 23A of the piston part 23.
  • a vertical groove S1 for liquid escape is formed in the lower part of the inner wall of the cylinder part 11.
  • the liquid escapes through the longitudinal groove S1, so that the pressure in the cylinder is reduced at once (that is, the pressure is formed in the vent hole S 2 formed in the cylinder wall).
  • the liquid stops. That is, the “cut” is improved.
  • the trigger structure 3 rotates with respect to the first pivot part P1.
  • the piston part 23 Since the trigger structure 3 is pivotally attached to the piston part 23 at the bifurcated part 32 (second pivot part P2), the piston part 23 is pushed downward by the rotation of the trigger structure 3.
  • the liquid in the cylinder part 11 is compressed by the downward movement of the piston part 23, reaches the nozzle part 21 through the connecting part 22, and is ejected outside from the injection port N1.
  • the piston portion 23 is pushed down so that the nozzle portion 21 integrated therewith also pulls down.
  • the connecting part 22 is bent and deformed and actively absorbs the movement of the piston.
  • the trigger-type pump dispenser of the present invention does not move the nozzle portion 21 due to the action of the connecting portion 22. Therefore, when the liquid is jetted, the jet port N1 does not move up and down at all. The liquid can be accurately ejected to the position.
  • the cover member is hinged to the rear end of the base body, and the trigger structure is composed of a trigger, a bifurcated part extending from it and a panel part, and is a failure. The rate is reduced and the number of assembly steps is small.
  • attachment of the trigger structure 3 to the base body 1 at the tip of the panel portion 33 can employ appropriate means such as fitting, insertion, and support.
  • the present invention relates to a trigger-type pump dispenser having a small number of parts and easy assembly by integrating a cover member and a base body or a trigger and a spring body, etc. It can also be applied to the fluid ejection field, and its application field is wide.
  • FIG. 1 is an explanatory view showing a trigger type pump dispenser according to an embodiment of the present invention.
  • FIG. 2 is an explanatory view showing a trigger type pump dispenser according to an embodiment of the present invention.
  • FIG. 3 is a view showing the base body, (A) is a plan view, (B) is a side view with the cover member open, and (C) is a state with the cover member closed. It is a side view. It is a figure which shows a connection state with a main body.
  • FIGS. 4A and 4B are diagrams for explaining the trigger lock.
  • FIG. 4A is a plan view and
  • FIG. 4B is a front view.
  • FIG. 5 is a diagram for explaining a state in which the trigger lock is rotated from the state of FIG. 4 to the trigger stop position, (A) is a plan view and (B) is a front view.
  • FIG. 6 is an explanatory view showing a piston structure in the trigger type pump dispenser of the present invention.
  • FIG. 7 is an explanatory view showing a trigger structure in the trigger type pump dispenser of the present invention.
  • FIG. 8 shows a trigger-type pump dispenser provided with means for preventing liquid leakage from the nozzle portion according to another embodiment.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un distributeur à pompe de type à gâchette qui est constitué de très peu de pièces et qui est facile à assembler. Le distributeur à pompe de type à gâchette est mis en œuvre avec un bouchon (4) attaché sur une section d'ouverture du corps principal d'un contenant ; un corps principal de base (1) qui est en contact avec le bouchon et qui a une section de cylindre (11) et un organe du couvercle (12) ; une section de piston (23) qui peut coulisser dans la section de cylindre ; et une structure de gâchette (3) qui coulisse verticalement dans la section de piston (23). Un liquide dans le cylindre est expulsé vers l'extérieur par la section de buse (21) par le coulissement vertical de la section de piston (23) en faisant tourner la structure de gâchette (3). L'organe de couvercle (12) est connecté à l'extrémité arrière du corps principal de base (1) par une charnière.
PCT/JP2007/064905 2006-08-02 2007-07-30 Distributeur à pompe de type à gâchette WO2008016012A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-211473 2006-08-02
JP2006211473A JP4933856B2 (ja) 2006-08-02 2006-08-02 トリガー式ポンプディスペンサー

Publications (1)

Publication Number Publication Date
WO2008016012A1 true WO2008016012A1 (fr) 2008-02-07

Family

ID=38997188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/064905 WO2008016012A1 (fr) 2006-08-02 2007-07-30 Distributeur à pompe de type à gâchette

Country Status (2)

Country Link
JP (1) JP4933856B2 (fr)
WO (1) WO2008016012A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010029732A1 (fr) * 2008-09-09 2010-03-18 キャニヨン株式会社 Pulvérisateur à détente
WO2010041411A1 (fr) * 2008-10-06 2010-04-15 キャニヨン株式会社 Pulvérisateur à gâchette
WO2010092775A1 (fr) * 2009-02-10 2010-08-19 キャニヨン株式会社 Distributeur à pompe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110147419A1 (en) * 2007-12-14 2011-06-23 Atsushi Tada Pressure accumulation dispenser
JP7467089B2 (ja) * 2019-12-03 2024-04-15 アース製薬株式会社 トリガー式噴出器およびエアゾール装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735957A (fr) * 1980-06-24 1982-02-26 Yuu Esu Kyatsupu Endo Kuroojua
JPH01153478A (ja) * 1987-11-30 1989-06-15 Atsushi Tada 手動式トリガータイプディスペンサー
JPH09234400A (ja) * 1996-03-01 1997-09-09 Canyon Corp ポンプディスペンサ−装着方法およびポンプディスペンサ−
JP2002264980A (ja) * 2001-01-05 2002-09-18 Calmar Inc トリガー式噴霧装置用シュラウド・カバー

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003738A (en) * 1997-12-29 1999-12-21 Continental Sprayers International,Inc. Child-resistant rotating lock for manually operated pump dispenser
US6123236A (en) * 1999-04-23 2000-09-26 Owens-Illinois Closure Inc. Pump dispenser having one-piece spring and gasket
JP2002233798A (ja) * 2000-12-05 2002-08-20 Canyon Corp トリガースプレーおよびこれを備えたスプレー容器
JP2005219003A (ja) * 2004-02-06 2005-08-18 Canyon Corp トリガー付きポンプディスペンサー
JP2006116407A (ja) * 2004-10-20 2006-05-11 Canyon Corp トリガー付きポンプディスペンサー

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735957A (fr) * 1980-06-24 1982-02-26 Yuu Esu Kyatsupu Endo Kuroojua
JPH01153478A (ja) * 1987-11-30 1989-06-15 Atsushi Tada 手動式トリガータイプディスペンサー
JPH09234400A (ja) * 1996-03-01 1997-09-09 Canyon Corp ポンプディスペンサ−装着方法およびポンプディスペンサ−
JP2002264980A (ja) * 2001-01-05 2002-09-18 Calmar Inc トリガー式噴霧装置用シュラウド・カバー

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010029732A1 (fr) * 2008-09-09 2010-03-18 キャニヨン株式会社 Pulvérisateur à détente
JP2010063980A (ja) * 2008-09-09 2010-03-25 Canyon Corp トリガースプレー
WO2010041411A1 (fr) * 2008-10-06 2010-04-15 キャニヨン株式会社 Pulvérisateur à gâchette
WO2010092775A1 (fr) * 2009-02-10 2010-08-19 キャニヨン株式会社 Distributeur à pompe
JP2010184182A (ja) * 2009-02-10 2010-08-26 Canyon Corp ポンプディスペンサ

Also Published As

Publication number Publication date
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JP4933856B2 (ja) 2012-05-16

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