WO2006059594A1 - ポンプディスペンサ - Google Patents
ポンプディスペンサ Download PDFInfo
- Publication number
- WO2006059594A1 WO2006059594A1 PCT/JP2005/021873 JP2005021873W WO2006059594A1 WO 2006059594 A1 WO2006059594 A1 WO 2006059594A1 JP 2005021873 W JP2005021873 W JP 2005021873W WO 2006059594 A1 WO2006059594 A1 WO 2006059594A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinder
- pump dispenser
- housing
- container body
- wall
- Prior art date
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
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet valve
-
- 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
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other
-
- 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
- B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
-
- 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
- B05B11/0005—Components or details
- B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
- B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
Definitions
- the present invention relates to a pump dispenser for discharging a cleaning liquid, a chemical liquid, a cosmetic liquid, and the like, and in particular, a mechanism for adjusting a pressure in a space in a container body to which the pump dispenser is attached. It relates to an improved pump dispenser.
- a cylinder having a through hole communicating with the outside air is known (for example, a patent document) 1).
- FIG. 9 shows the internal structure of the pump dispenser.
- Fig. 9 (A) is a cross-sectional view of the pump dispenser
- Fig. 9 (B) is a cross-sectional view along the line A-A in Fig. 9 (A).
- a protrusion 102al formed on the cylinder portion 102a is engaged with a cap 101 of a pump dispenser attached to the container body 100.
- the cylinder portion 102a is formed integrally with the handle portion 102b, and constitutes a housing 102 as a whole.
- a vent hole 102a2 is formed on the side surface of the cylinder portion 102a slightly below the protrusion 102al.
- a piston member 103 is slidably inserted into the cylinder portion 102a, and the piston member 103 can switch the inside of the container body and the outside air between a communication state and a non-communication state via the vent hole 102a2.
- the piston member 103 is fitted into the lower end of the piston shaft 104, and a wing portion 104a is formed in a cross shape on the upper end side of the piston shaft 104.
- the wing 104a slides near the upper end side of the cylinder 102a. Outside air P passes through the space between the wings 104a and communicates with the internal space S1 of the cylinder 102a.
- the piston member 103 is located at the top dead center, and the air holes 102a2 and the internal space S1 Is out of communication.
- FIG. 10 (A) is a cross-sectional view of the pump dispenser
- FIG. 10 (B) is a cross-sectional view taken along line BB in FIG. 10 (A).
- the trigger 106 when the trigger 106 is pulled, the trigger 106 is lowered about the rotation axis K, thereby pushing down the piston shaft 104.
- the outside air P flows and the negative pressure is eliminated.
- the volume of the inflowing air is approximately equal to the volume of the liquid F ejected from the nozzle 105 by pulling the trigger 106 U.
- vent hole 102a2 it is preferable to make the vent hole 102a2 as high as possible to prevent the occurrence of such liquid leakage.
- the position of the conventional vent hole 102a2 is located above the cap 101, more specifically the cap 10 It was impossible to be above the position of the protrusion 102al that engaged with the inner wall of one. Therefore, the applicant has invented a method of forming a cylindrical portion further inside the cylindrical portion where the protrusion 102al is formed.
- a housing 201 is provided inside the cap 200.
- the housing 201 is formed with a cylinder portion 201a.
- the cylinder part 201a is formed with a protrusion 20lal that engages with the thick part on the upper end side of the inner wall of the cap 200.
- a cylindrical tube portion 201b is formed inside the cylinder portion 201a, and a vent hole 201c is formed on the upper end side of the tube portion 201b.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-200443 (FIGS. 1 and 3)
- the present invention has been made on the basis of strong background technology, and has been made to overcome the problems of the background technology described above.
- a pump dispenser that makes the vent hole higher than the packing seal surface to prevent liquid leakage and at the same time makes the mold structure as simple as possible and advantageous in terms of cost.
- the purpose is to provide.
- the present inventor has made a housing having a body portion engaged with the cap, and is fitted in the housing and above the cap.
- the above problem is solved by adopting a double cylindrical structure in which the housing and the cylinder are separated from each other by providing a cylinder disposed in the cylinder and a piston member that can slide in the cylinder.
- the present invention has been completed based on this finding.
- the present invention provides (1) a pump dispenser having a cap attached to a mouth of a container main body that contains a liquid, and a housing having a body portion engaged with the cap. And a cylinder that is fitted in the housing and disposed above the seal portion, and a piston member that is slidable in the cylinder.
- the cylinder has a vent hole, and the outer wall of the cylinder A ventilation channel is formed between the inner wall of the housing and external air to eliminate negative pressure in the container body.
- the piston member is formed with a first flange part for sealing the inside of the cylinder and a second flange part below the first flange part. It exists in the pump dispenser described in the above (1).
- the present invention provides (3), wherein the cylinder vent hole is located above the first flange portion in a state where the outside air communicates with the inside of the container body. It exists in the pump dispenser.
- the vent hole of the cylinder is located between the first flange part and the second flange part in a state before the liquid in the container body is ejected.
- the present invention resides in (5) the pump dispenser according to the above (1), wherein the ventilation passage is blocked by the large diameter portion of the piston member being pressed against the housing.
- the present invention resides in (6) the pump dispenser according to (1), wherein the cylinder is fitted into the housing so as to be supported by a rib formed on the inner wall of the housing. .
- a pump dispenser includes a housing having a body portion engaged with a cap, a cylinder fitted in the housing and disposed above the seal portion, and slidable in the cylinder.
- a piston member, and a ventilation hole is formed in the cylinder, and a ventilation channel is formed between the outer wall of the cylinder and the inner wall of the housing to release the negative pressure in the container body through outside air. Therefore, the inside of the container body and the outside air can be communicated with each other when necessary, and the pressure can be adjusted.
- FIG. 1 shows an embodiment of the pump dispenser of the present invention.
- FIGS. 2A and 2B are exploded views of the pump dispenser of FIG.
- the pump dispenser of this embodiment has a cap 1 that is attached to the mouth of the container body that contains the liquid.
- the cap 1 is formed in a short cylindrical shape, and a female screw la is formed on the inner wall thereof so as to be screwed into the mouth of the container body.
- a tapered thick part lb is formed to engage the louver and the udging 2.
- a rib lc is formed on the outer wall of the cap 1 along the longitudinal direction of the cap so that the cap 1 can be easily screwed into the container body with a finger or the like.
- the housing 2 includes a cylindrical body portion 2a engaged with the cap 1 and an annular handle portion 2b.
- An annular projection 2al is formed on the lower end side of the body portion 2a, and this is engaged with the thick portion lb of the cap 1 from above.
- a cylinder 3 composed of a thin cylindrical portion 3a and a thick cylindrical portion 3b is fitted in the barrel portion 2a of the cylindrical housing 2.
- a vent hole 3bl that forms a part of a vent channel to be described later is formed on the side surface on the upper end side of the thick cylindrical portion 3b.
- the narrow cylindrical portion 3a When the cylinder 3 is engaged with the louver 2, the narrow cylindrical portion 3a is arranged to be downward. This narrow cylindrical portion 3a has a slightly different diameter on the way, and a ball valve 4 is provided in that portion.
- the upper end side of the elongated tube 5 for sucking and raising the liquid in the container body is attached to the lower end side of the thin cylindrical portion 3a.
- the piston member 6 has a thin cylindrical portion 6a and a skirt portion 6b that is widened toward the end.
- the skirt portion 6b of the piston member 6 is formed with a first flange portion 6bl for sealing the inside of the cylinder and a second flange portion 6b2 below the first flange portion 6bl.
- the piston member 6 has a ventilation hole formed by the first flange portion 6bl and the second flange portion 6b2.
- a rocket-shaped valve stem 7 is inserted inside the skirt portion 6b of the piston member 6. Then, a part of the inner wall of the thin cylindrical portion 6a becomes the valve seat 6al, and the tip of the valve rod 7 becomes the valve portion 7a.A flange 7b is formed on the lower end side of the valve rod 7, and this flange 7b, A spring 8 is provided between the narrow cylindrical portion 6a of the piston member 6 and the step portion between the skirt portion 6b.
- the tip end side of the piston shaft 9 is ball-shaped and spherical.
- piston shaft 9 extends horizontally forward and is formed with a liquid ejecting portion 9a.
- the front end side of the liquid ejecting portion 9a has a double cylindrical structure including an inner cylindrical portion 9al and an outer cylindrical portion 9a2, and a flow path for ejecting liquid is formed in the inner cylindrical portion 9al. ing.
- the rear end side of the cylindrical nozzle 10 is fitted into the cylindrical gap between the inner cylindrical portion 9al and the outer cylindrical portion 9a2.
- a nozzle cap 10a is formed on the tip of the nozzle 10!
- a panel-attached valve 11 having a spiral panel portion 11a is provided between the piston shaft 9 and the nozzle 10.
- a valve portion ib having an inner wall of the liquid injection portion 9a as a valve seat is formed.
- a tip portion 1 lc is formed at the tip of the panel-attached valve 11 to contact the window portion 10b on the nozzle tip side and guide the flow of the liquid to be injected.
- the piston shaft 9 is moved up and down by a trigger 12.
- the trigger 12 is formed with a storage portion 12a for inserting and pressing the spherical tip of the piston shaft 9.
- the trigger 12 When the trigger 12 is pulled, the trigger 12 rotates about the rotation axis K formed by the housing 2 and the trigger 12, the position of the storage portion 12a is lowered, and the piston shaft 9 is pushed down. .
- FIG. 3 shows a state in which a separate cylinder 3 is fitted to the nozzle 2 and the udging 2 and is also the greatest feature of the present invention.
- the upper end side of the cylinder 3 is thickened on the outside to form a large diameter portion 3b2, and constitutes the end position on the upper end side of the ventilation channel.
- the ventilation channel is blocked.
- the outer wall of the cylinder 3 is provided with protrusions, ribs, etc. to prevent the gap between the stepped part of the cylinder 3 and the projecting part 2c of the housing 2 from being lost and the air flow path from being blocked as much as possible. It ’s better to float a little.
- vent hole 3bl can be made higher than the packing seal surface L in order to prevent liquid leakage.
- the structure of the mold for molding the housing 2 can be simplified, which is advantageous in terms of cost.
- FIG. 4 shows a state where the pump dispenser of FIG. 1 is attached to the container body.
- the entire pump dispenser is attached by screwing the cap 1 into the mouth of the container body 13 filled with the liquid F.
- the height position of the vent hole 3b 1 of the cylinder 3 is determined by the first flange portion 6bl and the second flange portion 6b2 of the skirt portion 6b of the piston member 6. Exists between.
- the second flange 6b2 is formed to prevent the liquid F sucked up by the tube 5 and entering the cylinder 3 from leaking, and the first flange 6b2 is formed to prevent communication with the outside air P through the vent hole 3bl.
- a buttocks 6bl is formed.
- the piston 12 is pushed downward by the trigger 12, and the position of the piston member 6 is lowered while the first flange 6bl slides on the inner wall of the cylinder 3, and after a while, the first flange 6bl Comes below the position of the vent 3bl.
- FIG. 8 shows another example of a cylinder.
- the cylinder 3 is usually injection-molded. However, the thinner the cylinder 3, the higher the roundness.
- a plurality of ribs 2d are formed on the inner wall of the housing 2, and the cylinder 3 is supported by the ribs 2d, so that deformation does not occur.
- the present invention relates to a pump dispenser for discharging a cleaning liquid, a chemical liquid, a cosmetic liquid, and the like, and in particular, adjusts a pressure in a space in a container body to which the pump dispenser is attached.
- This is related to a pump dispenser with an improved mechanism, but as long as the principle is used, it can be applied to other fluid ejection fields, for example, containers for painting, etc. Is.
- FIG. 1 is an explanatory view showing an embodiment of a pump dispenser of the present invention.
- Fig. 2 (A) is an exploded view of the pump dispenser of Fig. 1, mainly showing the upper part.
- Fig. 2 (B) is an exploded view of the pump dispenser of Fig. 1, mainly showing the lower parts.
- FIG. 3 is an explanatory view showing a state in which a cylinder is fitted into a housing.
- FIG. 4 is an explanatory view showing a state of the pump dispenser and the container body before the liquid F in the container body is jetted.
- FIG. 5 is an explanatory view showing a state where the trigger of the pump dispenser of FIG. 4 is pulled.
- FIG. 6 is an explanatory view showing a state in which the pump dispenser is tilted obliquely.
- FIG. 7 is an enlarged explanatory view showing a state where the pump dispenser is inclined obliquely.
- FIG. 8 is a diagram showing another example of a cylinder.
- FIG. 9 is an explanatory view showing a first example of a conventional pump dispenser, (A) shows a cross section, (B) shows a cross section taken along the line A-A of (A). ing.
- FIG. 10 is an explanatory view showing a state where the trigger of the pump dispenser of FIG. 9 is pulled, (A) shows a cross section, and (B) is along the BB line of (A). A cross section is shown.
- FIG. 11 is an explanatory view showing a state where the pump dispenser is tilted obliquely.
- FIG. 12 is an enlarged explanatory view showing a state where the pump dispenser is tilted obliquely.
- FIG. 13 is an explanatory view showing a second example of a conventional pump dispenser.
- Container body 100 Container body 101 Cap 02 Housing 02a Cylinder part 02al Protrusion 02a2 Vent hole 02b Handle part 03 Piston member 04 Piston shaft 04a Wing part
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/792,103 US20080017670A1 (en) | 2004-12-02 | 2005-11-29 | Pump Dispenser |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-350314 | 2004-12-02 | ||
JP2004350314A JP2006159004A (ja) | 2004-12-02 | 2004-12-02 | ポンプディスペンサ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006059594A1 true WO2006059594A1 (ja) | 2006-06-08 |
Family
ID=36565028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/021873 WO2006059594A1 (ja) | 2004-12-02 | 2005-11-29 | ポンプディスペンサ |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080017670A1 (ja) |
JP (1) | JP2006159004A (ja) |
WO (1) | WO2006059594A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4366512B2 (ja) * | 2006-08-02 | 2009-11-18 | 哲也 多田 | トリガー式ポンプディスペンサー |
JP4355780B2 (ja) | 2006-12-15 | 2009-11-04 | 哲也 多田 | トリガー式ポンプディスペンサー |
CA2698915C (en) * | 2010-04-01 | 2017-06-27 | Gotohti.Com Inc. | Stationary stem pump |
EP2704984A4 (en) * | 2011-05-03 | 2015-01-28 | Meadwestvaco Calmar Inc | LIQUID CONTAINER ISSUE |
GB2507312B (en) * | 2012-10-25 | 2015-03-11 | Tristel Plc | Hand-held pump apparatus |
GB2507313B (en) | 2012-10-25 | 2015-09-30 | Tristel Plc | Pump apparatus |
WO2014074653A1 (en) * | 2012-11-06 | 2014-05-15 | Dispensing Technologies B.V. | Improved spray/foam dispenser with and without buffers |
CN103754475B (zh) * | 2013-12-20 | 2016-01-20 | 中山市美捷时包装制品有限公司 | 一种滑动型自锁喷盖 |
JP6234843B2 (ja) * | 2014-02-28 | 2017-11-22 | 株式会社吉野工業所 | トリガー式液体噴出器 |
JP6543100B2 (ja) * | 2015-06-08 | 2019-07-10 | キャニヨン株式会社 | ポンプディスペンサ |
CN105918131B (zh) * | 2016-05-25 | 2018-02-16 | 广州聚注通用技术研究院有限公司 | 一种当归愈伤组织诱导培养基 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5961867U (ja) * | 1982-10-15 | 1984-04-23 | 株式会社吉野工業所 | 2液混合装置 |
JPH10192747A (ja) * | 1996-12-27 | 1998-07-28 | Yoshino Kogyosho Co Ltd | トリガー式液体噴出器 |
JPH1142450A (ja) * | 1997-07-28 | 1999-02-16 | Yoshino Kogyosho Co Ltd | トリガー式液体噴出ポンプ |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168788A (en) * | 1978-07-12 | 1979-09-25 | The Afa Corporation | Closure cap and dispenser body assembly |
US5462208A (en) * | 1994-08-01 | 1995-10-31 | The Procter & Gamble Company | Two-phase dispensing systems utilizing bellows pumps |
-
2004
- 2004-12-02 JP JP2004350314A patent/JP2006159004A/ja active Pending
-
2005
- 2005-11-29 US US11/792,103 patent/US20080017670A1/en not_active Abandoned
- 2005-11-29 WO PCT/JP2005/021873 patent/WO2006059594A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5961867U (ja) * | 1982-10-15 | 1984-04-23 | 株式会社吉野工業所 | 2液混合装置 |
JPH10192747A (ja) * | 1996-12-27 | 1998-07-28 | Yoshino Kogyosho Co Ltd | トリガー式液体噴出器 |
JPH1142450A (ja) * | 1997-07-28 | 1999-02-16 | Yoshino Kogyosho Co Ltd | トリガー式液体噴出ポンプ |
Also Published As
Publication number | Publication date |
---|---|
US20080017670A1 (en) | 2008-01-24 |
JP2006159004A (ja) | 2006-06-22 |
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