WO2013042860A1 - Distributeur de liquide de type pompe - Google Patents

Distributeur de liquide de type pompe Download PDF

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Publication number
WO2013042860A1
WO2013042860A1 PCT/KR2012/005338 KR2012005338W WO2013042860A1 WO 2013042860 A1 WO2013042860 A1 WO 2013042860A1 KR 2012005338 W KR2012005338 W KR 2012005338W WO 2013042860 A1 WO2013042860 A1 WO 2013042860A1
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WO
WIPO (PCT)
Prior art keywords
fluid
cylinder
sub
piston shaft
push head
Prior art date
Application number
PCT/KR2012/005338
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English (en)
Korean (ko)
Inventor
이용대
Original Assignee
주식회사 아폴로산업
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 주식회사 아폴로산업 filed Critical 주식회사 아폴로산업
Publication of WO2013042860A1 publication Critical patent/WO2013042860A1/fr

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Classifications

    • 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
    • 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
    • B05B11/0064—Lift valves
    • 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
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • 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
    • 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
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke

Definitions

  • the present invention relates to a fluid pump dispenser; More specifically, the present invention relates to a "fluid pump dispenser" mounted in a container containing a fluid (contents) and capable of inhaling / pumping the fluid and discharging it to the outside by repeatedly pressing the push head.
  • a liquid or paste-type container or other fluid (contents) is provided with a "FLUID PUMP-DISPENCER", which can be used by discharging a certain amount of fluid through a piston mechanism.
  • the conventional fluid pump dispenser is coupled to an inlet (not shown) of the container and has a pumping unit 10 provided with a pressure chamber 11a to suck / pump and temporarily store fluid, and the pumping unit. It is distinguished by the push head part 20 provided with the discharge port 21 for applying the pressure to the pressure chamber 11a of 10, and discharging a pumped fluid to the outside.
  • the pumping part 10 is provided coaxially at the inner center of the cap housing 12, which is mounted at the inlet of the container by screwing, and has a pressure chamber 11a formed therein, and the cylinder 11
  • the coil spring 13 provided in the pressure chamber 11a, the hollow piston shaft 14 which is elastically supported by the upper end of this coil spring 13, and the communication hole 14a is formed in one side, and is hollow inside,
  • a cylinder cap 15 through which the piston shaft 14 slides slidably and closes the upper end thereof, and a connecting pipe 16 for connecting the outlet 21 of the push head part 20 and the upper end of the piston shaft 14.
  • a ball valve 17 placed on the valve seat portion 11b at the lower end of the cylinder 11.
  • the piston shaft 14 is lowered while overcoming the elastic force of the coil spring 13, whereby the fluid filled in the pressure chamber (11a) of the cylinder 11 is a communication hole 14a is discharged to the outside through the hollow part of the piston shaft 14, the connecting pipe 16, and the outlet 21.
  • the ball valve 17 contacts the valve seat portion 11b by the lowering pressure of the fluid inside the cylinder 11 to block communication between the pressure chamber 11a and the inside of the container.
  • the piston shaft 14 When the user releases the push head portion 20, the piston shaft 14 is raised by the elastic support force of the coil spring 13, and the communication hole 14a is closed to block the fluid discharge and at the same time the pressure of the cylinder 11 Vacuum is formed in the chamber 11a. Thus, a part of the fluid stored in the container is sucked into the pressure chamber 11a and filled up while raising the ball valve 17. By repeatedly pressing the push head portion 20, the fluid in the container is constantly discharged.
  • the coil spring 13 made of metal is disposed inside the cylinder 11, which is a suction path of the fluid, there is a concern that the fluid is discolored by the fluid when used for a long time and the fluid (contents) is also deteriorated.
  • the fluid (contents) applied to the fluid pump dispenser is gradually becoming highly functional, which may cause fluid (contents) deterioration and corrosion of metal parts.
  • the present invention is to solve this problem; It is an object of the present invention to provide a "fluid pump dispenser" which can effectively prevent leakage after finishing the use of the product by re-suctioning the fluid remaining inside the discharge flow path as soon as the pushhead is raised while completing the discharge of the fluid.
  • Another object of the present invention is configured to temporarily store the re-absorbed residual fluid immediately above the cylinder and to immediately discharge the temporarily stored residual fluid to the outside when the pushhead is lowered again, to prevent leakage as well as fluid It is to provide a "fluid pump dispenser" that can improve the discharge response of the.
  • the present invention for achieving this object is;
  • a fluid pump dispenser for suction pumping a fluid stored in a container to be discharged to the outside;
  • the fluid pump dispenser A large cap coupled to the inlet of the container; A main-cylinder installed coaxially inside the large cap, and having a pressure chamber in which the fluid stored in the container is sucked and temporarily stored therein, and a suction port for inhaling the fluid; A suction tube mounted at an upper end of the main-cylinder suction port to guide fluid suction; A first check valve disposed directly above the inlet of the main cylinder and selectively opening and closing the inlet of the main cylinder according to a pressure chamber pressure change of the main cylinder; A hollow first piston shaft in which the lower portion is in close contact with the inside of the main cylinder and is accommodated in a vertical movement, the upper end portion penetrates through the central portion of the large cap and is upwardly formed, and a valve seat portion is formed inside the upper portion; A second check valve accommodated in an upper end of the first piston shaft and selectively opening and closing the valve seat of the first piston shaft according to a pressure chamber pressure change of the main cylinder; A lower end portion fitted to the upper end of the first piston
  • a hollow second piston shaft for varying the negative pressure chamber volume of the cylinder;
  • a coil spring having a lower end supported on an upper portion of the large cap and an upper end supported on a central portion of the push head to elastically support the push head upward while surrounding an upper portion of the first piston shaft and an outer sub-cylinder; It is characterized by including.
  • a valve guide having a cylindrical shape such that the first check valve is inserted into and coupled to an upper portion of the inlet of the main cylinder and has a through hole and a lifting hole through which a fluid can pass;
  • a shaft valve disposed in the lifting hole of the valve guide through a valve shaft and having a lower end portion having a reverse truncated cone shape to directly open and close the suction port; It is characterized by including.
  • the second check valve is made of a sphere;
  • An elastic member for elastically supporting the second check valve in the direction of closing the valve seat portion is disposed on the upper end of the first piston shaft.
  • the lower end of the push head wraps the upper end of the coil spring from the outside, when the push head is pressed, characterized in that the tubular skirt wall is formed to surround the guide wall from the outside.
  • the nozzle flow path bent from the horizontal to the lower end of the discharge head of the push head is characterized in that the nozzle-tip formed therein is combined.
  • the pressing pressure applied to the push head is released, and when the second piston shaft rises upward by the elastic restoring force of the coil spring, a vacuum pressure is instantaneously formed in the negative pressure chamber of the sub-cylinder, thereby causing the second piston.
  • the remaining fluid which has not escaped to the outlet of the shaft and the pushhead, is reabsorbed into the negative pressure chamber side of the sub-cylinder.
  • the fluid remaining on the outlet side of the push head is sucked into the negative pressure chamber of the sub-cylinder in the state where the second piston shaft is raised together with the push head after use, thereby preventing the leakage phenomenon.
  • the first check valve disposed at the inlet of the main cylinder comprises a valve guide having a perforated hole, and an axis valve which opens and closes the inlet while raising and lowering in the axial direction to the lifting hole of the valve guide. According to the operation there is an advantage that the inlet opening and closing is made immediately.
  • the coil spring made of metal is arranged to surround the outer periphery of the first piston shaft and the sub-cylinder, there is no fear of corrosion due to not being in direct contact with the discharge fluid, and the fluid is also free from deterioration.
  • the nozzle tip formed so that the nozzle flow path is bent downward from the horizontal is mounted at the tip of the outlet of the pushhead, so that the fluid can be accurately discharged downward.
  • FIG. 1 is a schematic cross-sectional view of a conventional fluid pump dispenser.
  • FIG. 2 is a cross-sectional view showing a state in which the fluid pump dispenser according to the present invention is mounted on the container.
  • FIG. 3 is a cross-sectional view showing the internal structure of the fluid pump dispenser according to the present invention.
  • FIG. 4 and 5 show a first check valve applied to the fluid pump dispenser according to the present invention
  • Figure 4 is an exploded perspective view of the first check valve
  • Figure 5 is a perspective view showing a coupling state of the first check valve.
  • FIGS. 6 and 7 show the fluid discharge process of the fluid pump dispenser according to the present invention as the push head is lowered.
  • FIG 8 and 9 illustrate the fluid suction process of the fluid pump dispenser according to the present invention as the push head is raised.
  • Container 110 100.
  • Inlet 200 Fluid pump dispenser
  • the fluid container 100 to which the present invention is applied contains a fluid (contents), and the inlet 110 of the container 100 allows the fluid pump dispenser 200 to inhale / pump the fluid by a user's manual operation and discharge it to the outside. Is equipped.
  • the container 100 to which the present invention is applied is an example of an airless type in which the piston 120 gradually descends as the fluid contents are pulled out.
  • the fluid pump dispenser 200 prevents fluid leakage by re-suctioning the remaining fluid in the discharge passage the moment the pushhead 280 rises again after the pushhead 280 is pressed and the fluid is discharged.
  • a large cap 210 mounted to the inlet 110 of the container 100 and a large cap 210 installed coaxially with the large cap 210 are provided with a fluid suction at the bottom thereof.
  • the upper and lower ends are disposed to be movable, and the upper end is accommodated at the upper end of the first piston shaft 250 extending upwardly through the central portion of the large cap 210, and the valve seat portion 252.
  • the second check valve 260 to selectively open and close the axial direction at the upper end of the first piston shaft 250
  • a sub-cylinder 270 coupled to be long and forming a negative pressure chamber 271 therein, and a push that is slidably coupled up and down a predetermined section at an upper end of the sub-cylinder 270 and has an outlet 282 formed therein.
  • the coil spring 300 is disposed between the heads 280 to restore the push heads 280.
  • Each of the components constituting the fluid pump dispenser 200 according to the present invention are mostly molded by injection molding except the coil spring 300 and the second check valve 260, and then assembled. It explains in detail individually.
  • the large cap 210 is to be mounted to the inlet 110 of the container 100 made of a male screw, for this purpose, the female screw 211 is formed on the inner circumference of the large cap 210.
  • the upper surface of the large cap 210 is provided with a spring-mounted portion 212 in a ring shape so that the lower end of the coil spring 300 can be seated, and the coil spring 300 outside the spring-seated portion 212 is provided.
  • the cylindrical guide wall 213 protruding upward to surround the lower end is provided to protrude upward.
  • the guide wall 213 not only surrounds the coil spring 300 but is also configured to stably guide the lifting / lowering operation of the push head 280.
  • Main-cylinder 220 is installed coaxially inside the large cap 210, the inside thereof is provided with a pressure chamber 221 for sucking and temporarily storing the fluid, the lower inlet 222 for the fluid intake Is formed.
  • a suction tube 230 extending to the bottom of the container 100 containing the fluid is fitted into the suction port 222 of the main-cylinder 220 to guide the fluid suction.
  • the first check valve 240 is disposed directly above the inlet 222 of the main cylinder 220, and selectively selects the inlet 222 according to the pressure change of the pressure chamber 221 of the main cylinder 220. It will open and close.
  • the first check valve 240 is formed in a cylindrical shape so as to be fitted into and coupled to the upper portion of the inlet 222 of the main-cylinder 220.
  • the valve guide 241 is provided with a through hole 241a and a lifting hole 241b through which the valve can pass, and the lifting hole 241b of the valve guide 241 can be lifted up and down through the valve shaft 242a.
  • a shaft valve 242 for directly opening and closing the inlet 222 is made of a reverse conical shape of the lower end. Therefore, when the pressure in the pressure chamber 221 is lowered due to the lifting and lowering of the first piston shaft 250, the shaft valve 242 is lifted upward and the fluid in the container 100 is inlet 222 of the main-cylinder 220. And through the through hole (241a) of the valve guide 241 is up and filled in the pressure chamber 221.
  • the first piston shaft 250 is made of a hollow hollow hollow body, the lower end thereof is provided with a close contact portion 251 is in close contact with the inner wall of the main-cylinder 220 main-cylinder 220 to move up and down Is accommodated in.
  • the upper end of the first piston shaft 250 extends upward through the central portion of the large cap 210 and has a valve seat portion 252 formed therein.
  • the valve seat portion 252 is formed of a hollow hole having a tapered shape in which the inner diameter gradually decreases from the upper side to the lower side, in order to open and close the second check valve 260 to be described later.
  • the second check valve 260 selectively opens and closes the upper end of the first piston shaft 250 according to the pressure change of the pressure chamber 221 of the main cylinder 220.
  • the second check valve 260 is composed of spheres (steel balls) placed on the valve seat portion 252 of the first piston shaft 250, and when the valve seat portion 252 is seated, the fluid therethrough. Movement is completely blocked.
  • an elastic member 261 that elastically supports the second check valve 260 in the direction of closing the valve seat 252 is additionally installed at the upper end of the first piston shaft 250. This is to improve the response of the second check valve 260.
  • the elastic member 261 is made of a synthetic resin and made of a coil spring type.
  • the sub-cylinder 270 is formed in a cylindrical shape of the upper and lower parts, the lower end is coupled to the upper end of the first piston shaft 250 in a coaxially coarse fitting manner is raised and lowered together with this.
  • An open upper side of the sub-cylinder 270 is slidably coupled to the push head 280 up and down a predetermined section, and a negative pressure chamber 271 that temporarily stores the fluid is formed therein.
  • the push head 280 is provided with a cylindrical sliding coupling portion 281 in the central portion to be assembled so as to be slidably up and down a predetermined section outside the upper end of the sub-cylinder 270, the push head 280 In the interior of the discharge port 282 for discharging the fluid to be pumped to the outside is formed extending in the horizontal direction.
  • the push head 280 wraps the sub-cylinder 270 together with the upper end of the coil spring 300 from the outside, and when the push head 280 is pressed, a tub that surrounds the guide wall 213 of the large cap 210 from the outside.
  • a skirt wall 283 having a shape is provided, which allows the push head 280 to be pressed and operated easily and accurately.
  • the tip of the outlet 282 of the push head 280 is equipped with a nozzle-tip 284 formed in such a way that the nozzle passage 284a is bent from the horizontal to the lower side in communication with the outlet 282, through which the user desired direction Fluid can be discharged.
  • the second piston shaft 290 is made of a hollow cylindrical shape, the piston portion for varying the volume of the negative pressure chamber 271 is coupled to the inside of the upper end of the sub-cylinder 270 so as to be slidable. 291 and an axial coupling portion 292 that is inserted into and coupled with the outlet 282 in the central portion of the push head 280.
  • the coil spring 300 is a kind of compression spring made by spirally winding a steel wire, and a lower end thereof is supported by a spring-receiving portion 212 formed at an upper portion of the large cap 210, and an upper end thereof is a push head 280. Support is placed on the bottom of the. Accordingly, the push head 280, the sub-cylinder 270, and the first piston shaft 250 are always elastically supported upward by the coil spring 300.
  • the coil spring 300 is disposed between the large cap 210 and the push head 280 does not directly contact the discharged fluid.
  • the first piston shaft 250 and the second piston shaft 290 are raised together with the push head 280 by the elastic support force of the coil spring 300.
  • the fluid is sucked through the suction tube 230 and stored in the pressure chamber 221 of the main-cylinder 220 (see FIG. 2).
  • the user presses the pushhead 280 slightly (see arrow A direction in FIG. 6);
  • the push head 280 slides down the upper end of the sub-cylinder 270 for a predetermined period while the elastic spring force of the coil spring 300 is overcome.
  • the second piston shaft 290 presses the pressure of the sub-cylinder 270.
  • the thread 221 slides down.
  • the pushhead 280 is further pressed (see arrow A direction in FIG. 7);
  • the first piston shaft 250 descends together with the sub-cylinder 270. Therefore, the fluid filled in the pressure chamber 221 of the main-cylinder 220 lifts the second check valve 260 upward, and the valve seat portion 252 ⁇ sub-cylinder 270 of the first piston shaft 250.
  • the second piston shaft 290 ⁇ the outlet 282 of the pushhead 280 ⁇ is discharged to the outside through the nozzle-tip 284 (see dotted arrow direction in FIG. 7).
  • the first check valve 240 disposed at the inlet 222 of the main cylinder 220 is in close contact with the inlet 222 by the fluid dropping pressure in the pressure chamber 221, and thus the pressure chamber 221 and the container ( The communication with the inside of the 1000 is blocked.
  • the closing operation of the first check valve 240 is performed from the moment when the first piston shaft 250 descends because the fluid is also filled in the first piston shaft 250. That is, at the moment when the first piston shaft 250 descends together with the push head 280, the fluid filled in the pressure chamber 221 presses down on the first check valve 2400, and thus the main cylinder 220.
  • the inlet 222 is securely closed so that there is no pressure loss during the pumping operation, and the outlet 282 and the nozzle-tip 284 of the pushhead 280 in the state where the pushhead 280 is lowered to the maximum. In the fluid, fluid that could not be discharged remains.
  • the second piston shaft 290 along with the push head 280 is moved by the elastic restoring force of the coil spring 300 at the moment of placing the push head 280.
  • the second check valve 260 is seated and closed on the valve seat 252 and the vacuum pressure is applied to the negative pressure chamber 271 of the sub-cylinder 270. This causes the fluid remaining in the nozzle-tip 284 and the outlet 282 of the pushhead 280 to be re-absorbed into the negative pressure chamber 271 of the sub-cylinder 270 (see the dashed arrow direction in FIG. 8).
  • the fluid pump dispenser 200 can be applied to a container product containing a high viscosity fluid.
  • the push head 280 is pressed accurately without twisting through the guide wall 213 and the skirt wall 283 of the large cap 210, the fluid is discharged through the nozzle-tip 284 in the desired direction and the proper discharge Discharged under pressure.
  • the present invention can be widely used in the field of fluid pump dispensers which inhale / pump and discharge fluid (contents) contained in a container by repeatedly pressing the pushhead.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Reciprocating Pumps (AREA)

Abstract

La présente invention concerne un distributeur de liquide de type pompe visant à empêcher efficacement toute fuite du liquide suite à l'utilisation d'un produit en ramenant le liquide restant vers l'intérieur d'un passage d'expulsion de liquide lorsque le liquide a été totalement expulsé et qu'une tête de pompe s'élève. À cette fin, le distributeur de liquide de type pompe comprend : un bouchon secondaire (210) accouplé à une entrée (110) d'un récipient (100) ; un cylindre principal (220) situé coaxialement à l'intérieur du bouchon secondaire (210) et dans lequel est formé une chambre de pression (221) pour aspirer et stocker temporairement le liquide stocké dans le récipient (100) et dans la partie inférieure duquel est réalisé un orifice d'aspiration (222) pour aspirer le liquide ; un tube d'aspiration (230) comportant une extrémité supérieure située au niveau de l'orifice d'aspiration (222) du cylindre principal (220) afin de guider l'aspiration du liquide ; une première soupape anti-retour (240) installée au niveau d'une partie supérieure de l'orifice d'aspiration (222) du cylindre principal (220) et qui ouvre ou ferme sélectivement l'orifice d'aspiration (222) du cylindre principal (220) en fonction d'un changement de pression dans la chambre de pression (221) du cylindre principal (220) ; une première tige de piston creuse (250) présentant une partie inférieure destinée à venir en contact étroit avec l'intérieur du cylindre principal (220) dans lequel elle est logée de manière mobile dans le sens vertical, une extrémité supérieure destinée à pénétrer dans une partie centrale du bouchon secondaire (210) de façon à s'étendre jusqu'à un côté supérieur et une partie siège de soupape (252) réalisée à l'intérieur de l'extrémité supérieure ; une seconde soupape anti-retour (260) située et logée au niveau d'une extrémité supérieure de la première tige de piston (250) et qui ouvre ou ferme sélectivement la partie siège de soupape (252) de la première tige de piston (250) en fonction d'un changement de pression dans la chambre de pression (221) du cylindre principal (220) ; un cylindre secondaire (270) comportant une extrémité inférieure insérée dans une extrémité supérieure de la première tige de piston (250) et accouplée à celle-ci de manière à être solidaire en mouvement avec la première tige de piston (250) et une chambre de pression secondaire (271) formée à l'intérieur de celui-ci ; une tête de pompe (280) comportant une partie de raccord coulissante cylindrique (281) assemblée à coulissement dans une section prédéterminée depuis l'extérieur de l'extrémité supérieure du cylindre secondaire (270) dans une partie centrale et un orifice d'expulsion (282) permettant d'expulser le liquide pompé vers l'extérieur et s'étendant dans la direction latérale à l'intérieur de ladite tête ; une seconde tige de piston (290) comportant une extrémité supérieure insérée dans une partie centrale d'une surface inférieure de la tête de pompe (280) et accouplée à celle-ci afin de la raccorder à l'orifice d'expulsion (282), et une extrémité inférieure qui vient en contact étroit avec l'intérieur de l'extrémité supérieure du cylindre secondaire (270) et y est logée et disposée de manière mobile dans le sens vertical, en vue de faire varier le volume interne de la chambre de pression secondaire (271) du cylindre secondaire (270) en fonction de l'actionnement vertical de la tête de pompe (280) ; et un ressort hélicoïdal (300) comportant une extrémité inférieure soutenue par une partie supérieure du bouchon secondaire (210) et une extrémité supérieure soutenue par une partie centrale de la tête de pompe (280) de façon à couvrir la partie supérieure de la première tige de piston (250) et l'extérieur du cylindre secondaire (270) et à soutenir de manière élastique la tête de pompe (280) avec une sollicitation vers le haut.
PCT/KR2012/005338 2011-09-20 2012-07-05 Distributeur de liquide de type pompe WO2013042860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110094445A KR101107519B1 (ko) 2011-09-20 2011-09-20 유체 펌프디스펜서
KR10-2011-0094445 2011-09-20

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WO2013042860A1 true WO2013042860A1 (fr) 2013-03-28

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WO (1) WO2013042860A1 (fr)

Cited By (4)

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CN111655067A (zh) * 2018-02-05 2020-09-11 株式会社衍宇 流体容器
WO2020263920A1 (fr) 2019-06-24 2020-12-30 Rieke Llc Pompe modulaire lavable
CN112340224A (zh) * 2020-09-22 2021-02-09 中山市联昌喷雾泵有限公司 一种内锁的全塑泵
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KR101678903B1 (ko) * 2014-12-31 2016-12-06 주식회사 인수산업 믹싱스크류에 의한 이 액형 염색제 혼합 공급장치
KR101858053B1 (ko) * 2017-01-17 2018-05-15 강형석 인-샤프트방식 굴착 준설장치
KR102229912B1 (ko) * 2019-07-23 2021-03-19 주식회사 광성엔프라 화장액 용기
KR102285081B1 (ko) * 2019-12-05 2021-08-02 강민구 화장품 용기의 토출력 증강 장치
CA3169016A1 (fr) 2020-05-14 2021-11-18 Dae Sik Son Pompe distributrice
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CN111655067A (zh) * 2018-02-05 2020-09-11 株式会社衍宇 流体容器
WO2020263920A1 (fr) 2019-06-24 2020-12-30 Rieke Llc Pompe modulaire lavable
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CN112340224A (zh) * 2020-09-22 2021-02-09 中山市联昌喷雾泵有限公司 一种内锁的全塑泵

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