WO2018182155A1 - Dispenser pump - Google Patents

Dispenser pump Download PDF

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Publication number
WO2018182155A1
WO2018182155A1 PCT/KR2018/000846 KR2018000846W WO2018182155A1 WO 2018182155 A1 WO2018182155 A1 WO 2018182155A1 KR 2018000846 W KR2018000846 W KR 2018000846W WO 2018182155 A1 WO2018182155 A1 WO 2018182155A1
Authority
WO
WIPO (PCT)
Prior art keywords
stem
coupled
cylinder
piston rod
dispenser pump
Prior art date
Application number
PCT/KR2018/000846
Other languages
French (fr)
Korean (ko)
Inventor
김학찬
조해룡
강세규
Original Assignee
(주)연우
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 (주)연우 filed Critical (주)연우
Publication of WO2018182155A1 publication Critical patent/WO2018182155A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1042Components or details
    • B05B11/1043Sealing or attachment arrangements between pump and container
    • B05B11/1046Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1042Components or details
    • B05B11/1043Sealing or attachment arrangements between pump and container
    • B05B11/1049Attachment arrangements comprising a deformable or resilient ferrule clamped or locked onto the neck of the container by displacing, e.g. sliding, a sleeve surrounding the ferrule
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/02Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1001Piston pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1001Piston pumps
    • B05B11/1023Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1038Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/1039Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being mechanically opened after a defined accumulation stroke
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1042Components or details
    • B05B11/1073Springs
    • B05B11/1074Springs located outside pump chambers
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00Details not otherwise provided for in A45D
    • A45D2200/05Details of containers
    • A45D2200/054Means for supplying liquid to the outlet of the container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-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
    • B05B11/10Pump 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
    • B05B11/1042Components or details
    • B05B11/1066Pump inlet valves
    • B05B11/1067Pump inlet valves actuated by pressure
    • B05B11/1069Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring

Definitions

  • the present invention relates to a dispenser pump, and more particularly, to prevent foreign substances such as water from being introduced into a cylinder during a pumping operation through a sealing member that surrounds a stem and is fixedly installed on an upper portion of a cylinder, thereby preventing deterioration of contents.
  • a dispenser pump can be provided.
  • the container containing the contents of the cosmetic or detergent or other liquid or paste is configured to discharge the contents by the pumping operation is coupled to the dispenser pump in the upper outlet of the container body, such a dispenser pump wraps around the upper outlet of the container body and screw
  • the screw cap is coupled to, and the cylinder is coupled to the hollow of the discharge portion from the inside of the screw cap and the check valve is provided on the inner bottom, one side is coupled to the inside of the button portion and the other side is located inside the cylinder to move up and down the button portion
  • the stem moving together with, the piston rod coupled to the lower portion of the stem, and coupled to surround the outer circumferential surface of the piston rod in the lower portion of the piston rod is coupled to wrap around the circumference of the stem and the cap is moved along the inner wall of the cylinder Elastic force upward to enable repetitive pumping of the button section It consists of providing a spring.
  • the conventional dispenser pump is configured to raise and lower the stem 4 according to whether the button part 3 is pressurized, and the inner circumferential surface of the screw cap 2 and the stem 4 are separated from each other. As the space S formed by the outer circumferential surface is positioned to be exposed to the outside, foreign matter, including water, is introduced through the space S to cause deterioration of contents stored in the container body 1.
  • the present invention has been made to solve the above problems, an object of the present invention by blocking the inflow of foreign substances such as water in the cylinder during the pumping operation through the sealing member that is fixed to the top of the cylinder surrounding the stem, It is to provide a dispenser pump capable of preventing the deterioration of the contents.
  • a dispenser pump capable of preventing foreign matter from flowing into the discharge port through the injection nozzle coupled to the discharge port and preventing the contents from being suddenly discharged during the pumping operation.
  • a movement groove is formed on the side of the piston rod to allow the independent lifting and lowering movement of the stem, and the stem is raised after the pumping operation is completed by forming a sliding protrusion moving in the movement groove on the inner circumferential surface of the stem.
  • the stem rises independently by the height of the moving groove, the back-winding action is performed and the contents remaining at the distal end of the outlet can be sucked to prevent contamination of the container, and to prevent the contents from sticking to the distal end of the outlet. It is possible to provide a dispenser pump.
  • the dispenser pump includes a screw cap surrounding the top discharge part of the container body and being screwed together, coupled to the hollow of the discharge part at the inside of the screw cap, and provided with a check valve at the inner bottom.
  • a cylinder one side is coupled to the inside of the button portion and the other side is located inside the cylinder to move together in accordance with the vertical movement of the button portion, the piston rod coupled to the lower portion of the stem, the piston rod at the bottom of the piston rod
  • the dispenser pump including a seal cap coupled to wrap around the outer peripheral surface of the cylinder and moving along the inner wall of the cylinder, and a spring coupled to wrap around the stem to provide elasticity in the upward direction to allow the pump to be repeatedly pumped.
  • the stem surrounds the stem and is fixedly installed on an upper portion of the cylinder, and further includes a sealing member to block foreign substances, including water, from flowing into the cylinder during the pumping operation. It is characterized in that it is provided with an extension extending in the downward direction.
  • the sealing member, the coupling pipe is coupled to the upper inside of the cylinder; And a sealing tube extending upward from the coupling tube and inserted into the extension part to seal the top opening of the screw cap.
  • the sealing member is formed to surround the stem in the inner side of the coupling tube to form a space in which the spring is installed, the inner peripheral surface further comprises a spring insertion tube having a seating projection is seated on the bottom of the spring; It is characterized by.
  • the front end portion of the discharge port is characterized in that the injection nozzle to block the foreign matter flowing into the interior of the discharge port to prevent the sudden discharge of the contents.
  • a moving groove is formed on the side of the piston rod to enable the independent lifting and lowering movement of the stem
  • the inner peripheral surface of the stem is provided with a sliding projection to move in the moving groove, after the pumping operation is completed, the As the stem rises independently by the height of the movable groove in the process of raising the stem, a suck back action is performed and the contents remaining at the distal end of the discharge port are sucked in.
  • the upper portion of the piston rod is characterized in that it consists of a piston shape in close contact with the inner peripheral surface of the stem.
  • the foreign matter such as water is prevented from being introduced into the cylinder during the pumping operation through a sealing member that surrounds the stem and is fixed to the upper portion of the cylinder, thereby preventing deterioration of contents. There is this.
  • the injection nozzle coupled to the discharge port may not only prevent foreign matter from flowing into the discharge port, but also may prevent the contents from being suddenly discharged during the pumping operation.
  • a movement groove is formed on the side of the piston rod to allow the independent lifting and lowering movement of the stem, and the stem is raised after the pumping operation is completed by forming a sliding protrusion moving in the movement groove on the inner circumferential surface of the stem.
  • 1 is a block diagram of a conventional dispenser pump.
  • Figure 2 is a perspective view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention.
  • Figure 3 is an exploded cross-sectional view showing the configuration of a dispenser pump according to a preferred embodiment of the present invention.
  • Figure 4 is a cross-sectional view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention.
  • 5 and 6 are explanatory views showing the operation of the dispenser pump according to a preferred embodiment of the present invention.
  • FIG. 2 is a combined perspective view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention
  • Figure 3 is an exploded cross-sectional view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention
  • Figure 4 is a preferred embodiment of the present invention Coupling cross-sectional view showing the configuration of a dispenser pump according to the example.
  • the dispenser pump is a screw cap 200 that is screwed around the top discharge portion of the container body 100, and the discharge portion of the inside of the screw cap 200 Is coupled to the hollow, the bottom of the contents inlet hole 310 is formed, the check valve 320 for opening and closing the contents inlet hole 310 is installed, the contents suction pipe for sucking the contents stored in the container body 100 330 is provided with a cylinder 300, one side is coupled to the inside of the button portion 700 and the other side is located inside the cylinder 300 to move together in accordance with the vertical movement of the button portion 700 and the upper Stem 400 is provided with a support protrusion 410 for supporting the spring (S), the piston rod 500 is coupled to the lower portion of the stem and the contents moving hole 510 is formed on the side, and the piston Wrap the outer circumferential surface of the piston rod 500 in the lower portion of the rod 500 A spring cap coupled to the seal cap 600 moving along the inner wall of the cylinder 300 and surrounding the circumference of the stem 400
  • the inner upper portion of the cylinder 300 is wrapped around the stem 400 is fixedly installed sealing member 800 to block foreign matter containing water in the pump 300 during the pumping operation flows into the cylinder 300 Characterized in that is provided, the sealing member 800 includes a coupling pipe 810, sealing pipe 820, spring insertion pipe 830.
  • the coupling pipe 810 is coupled to the upper inner side of the cylinder 300 to fix the sealing member 800 to the cylinder 300.
  • the sealing tube 820 extends upward from the coupling tube 810, and the outer circumferential surface thereof is coupled to be in close contact with the upper opening of the screw cap 200 to close the upper opening of the screw cap 200. Configured to seal.
  • sealing tube 820 is configured to be inserted into the inner portion of the extension portion 720 extending in the downward direction of the button portion 700, due to this, the open top is not exposed to the outside, such as water It is possible to block foreign matter from entering.
  • the spring insertion pipe 830 is formed to surround the stem 400 in the inner side of the coupling pipe 810 to form a space in which the spring (S) is installed, the lower end of the spring (S) on its inner peripheral surface
  • the seating protrusion 831 is provided, the seating protrusion 831 has a lower end is configured to contact the top of the seal cap 600 when the seal cap 600 is raised to limit the rise of the seal cap 600 It is configured to perform together.
  • the injection nozzle 900 is provided at the tip of the discharge port 710 of the button unit 700 to block foreign matters such as insects from entering the discharge port 710,
  • the mesh nozzle 910 is coupled to the injection nozzle 900 to block foreign material inflow, and to prevent sudden discharge of the contents when the contents are discharged by the pumping operation.
  • the present invention is characterized in that the suck back action is made in the process of raising the stem 400 after the pumping operation is completed, the contents remaining in the tip portion of the discharge port 710 is configured to suck,
  • the side of the piston rod 500, the moving groove 520 is formed to enable the independent lifting and lowering movement of the stem 400, the inner circumferential surface of the stem 400 is moved in the moving groove 520 Sliding protrusion 420 is provided.
  • the stem 400 coupled to the lower portion of the button unit 700 is lowered together, and at this time, the height h of the movable groove 520. Independently descending of the stem 400 is made while the sliding protrusion 420 is lowered.

Landscapes

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

Abstract

The present invention relates to a dispenser pump, which prevents foreign substances such as water from flowing into a cylinder during a pumping operation by means of a sealing member, which is fixedly provided at the upper part of the cylinder, while encompassing a stem, thereby enabling deterioration of the contents to be prevented.

Description

디스펜서 펌프Dispenser pump
본 발명은 디스펜서 펌프에 관한 것으로서, 더 상세하게는 스템을 감싸며 실린더의 상부에 고정설치되는 씰링부재를 통해 펌핑작동 과정에서 물 등의 이물질이 실린더 내부로 유입되는 것을 차단함으로써, 내용물의 변질을 방지할 수 있는 디스펜서 펌프에 관한 것이다.The present invention relates to a dispenser pump, and more particularly, to prevent foreign substances such as water from being introduced into a cylinder during a pumping operation through a sealing member that surrounds a stem and is fixedly installed on an upper portion of a cylinder, thereby preventing deterioration of contents. A dispenser pump can be provided.
일반적으로 화장품이나 세제 기타 액상이나 페이스트상의 내용물을 담은 용기는 용기본체의 상단 배출부에 디스펜서 펌프가 결합되어 펌핑작동에 의해 내용물을 토출하도록 구성되는데, 이러한 디스펜서 펌프는 용기본체의 상단 배출부를 감싸며 나사결합되는 스크류캡과, 상기 스크류캡의 내측에서 배출부의 중공에 결합되며 내측 하단에 체크밸브가 구비되는 실린더와, 일측은 버튼부의 내측에 결합되며 타측은 상기 실린더의 내측에 위치하여 버튼부의 상하 이동에 따라 함께 움직이는 스템과, 상기 스템의 하부에 결합되는 피스톤로드와, 상기 피스톤로드의 하부에서 피스톤로드의 외주면을 감싸며 결합되어 실린더의 내벽을 따라 이동하는 실캡과, 상기 스템의 둘레를 감싸며 결합되어 버튼부의 반복적인 펌핑이 가능하도록 상방향으로 탄성력을 제공하는 스프링으로 구성된다.In general, the container containing the contents of the cosmetic or detergent or other liquid or paste is configured to discharge the contents by the pumping operation is coupled to the dispenser pump in the upper outlet of the container body, such a dispenser pump wraps around the upper outlet of the container body and screw The screw cap is coupled to, and the cylinder is coupled to the hollow of the discharge portion from the inside of the screw cap and the check valve is provided on the inner bottom, one side is coupled to the inside of the button portion and the other side is located inside the cylinder to move up and down the button portion The stem moving together with, the piston rod coupled to the lower portion of the stem, and coupled to surround the outer circumferential surface of the piston rod in the lower portion of the piston rod is coupled to wrap around the circumference of the stem and the cap is moved along the inner wall of the cylinder Elastic force upward to enable repetitive pumping of the button section It consists of providing a spring.
상기와 같은 종래의 디스펜서 펌프는 도 1에 도시된 바와 같이, 버튼부(3)의 가압여부에 따라 스템(4)이 승하강되도록 구성되는데, 스크류캡(2)의 내주면과 스템(4)의 외주면이 형성하는 공간(S)이 외부로 노출된 상태로 위치함에 따라 공간(S)을 통해 물을 포함한 이물질이 유입되어 용기본체(1)에 저장된 내용물의 변질을 초래하게 되는 문제점이 있었다.As shown in FIG. 1, the conventional dispenser pump is configured to raise and lower the stem 4 according to whether the button part 3 is pressurized, and the inner circumferential surface of the screw cap 2 and the stem 4 are separated from each other. As the space S formed by the outer circumferential surface is positioned to be exposed to the outside, foreign matter, including water, is introduced through the space S to cause deterioration of contents stored in the container body 1.
또한, 버튼부(3)의 토출구(3a)를 통해 벌레 등 이물질이 유입되어 내용물의 오염을 초래할 뿐만 아니라, 토출구(3a) 선단에 잔류하는 내용물이 고착되는 현상에 의해 내용물의 토출이 원활하게 이루어지지 않게 되는 문제점이 있었다.In addition, foreign matters such as insects are introduced through the discharge port 3a of the button part 3 to contaminate the contents, and the contents are smoothly discharged by the phenomenon that the contents remaining at the tip of the discharge port 3a are fixed. There was a problem of not losing.
본 발명은 상술한 문제점을 해결하고자 안출된 것으로서, 본 발명의 목적은 스템을 감싸며 실린더의 상부에 고정설치되는 씰링부재를 통해 펌핑작동 과정에서 물 등의 이물질이 실린더 내부로 유입되는 것을 차단함으로써, 내용물의 변질을 방지하는 것이 가능한 디스펜서 펌프를 제공하는 것이다.The present invention has been made to solve the above problems, an object of the present invention by blocking the inflow of foreign substances such as water in the cylinder during the pumping operation through the sealing member that is fixed to the top of the cylinder surrounding the stem, It is to provide a dispenser pump capable of preventing the deterioration of the contents.
또한, 토출구에 결합되는 분사노즐을 통해 토출구의 내부로 이물질이 유입되는 것을 차단할 수 있을 뿐만 아니라, 펌핑작동시 내용물이 급작스럽게 토출되는 것을 방지하는 것이 가능한 디스펜서 펌프를 제공하는 것이다.In addition, it is possible to provide a dispenser pump capable of preventing foreign matter from flowing into the discharge port through the injection nozzle coupled to the discharge port and preventing the contents from being suddenly discharged during the pumping operation.
또한, 피스톤로드의 측면에 스템의 독립적인 승하강 이동이 가능하도록 이동홈을 형성하고, 스템의 내주면에는 상기 이동홈 내에서 이동하는 슬라이딩돌기를 형성하여 펌핑작동이 완료된 후, 스템이 상승하는 과정에서 이동홈의 높이만큼 스템이 독립적으로 상승함에 따라 석백작용이 이루어지며 토출구의 선단부에 잔류하는 내용물을 흡입하여 용기의 오염을 방지할 수 있을 뿐만 아니라, 토출구 선단부에 내용물이 고착되는 현상을 차단하는 것이 가능한 디스펜서 펌프를 제공하는 것이다.In addition, a movement groove is formed on the side of the piston rod to allow the independent lifting and lowering movement of the stem, and the stem is raised after the pumping operation is completed by forming a sliding protrusion moving in the movement groove on the inner circumferential surface of the stem. As the stem rises independently by the height of the moving groove, the back-winding action is performed and the contents remaining at the distal end of the outlet can be sucked to prevent contamination of the container, and to prevent the contents from sticking to the distal end of the outlet. It is possible to provide a dispenser pump.
상기와 같은 문제점을 해결하기 위하여 본 발명에 따른 디스펜서 펌프는, 용기본체의 상단 배출부를 감싸며 나사결합되는 스크류캡과, 상기 스크류캡의 내측에서 배출부의 중공에 결합되며 내측 하단에 체크밸브가 구비되는 실린더와, 일측은 버튼부의 내측에 결합되며 타측은 상기 실린더의 내측에 위치하여 버튼부의 상하 이동에 따라 함께 움직이는 스템과, 상기 스템의 하부에 결합되는 피스톤로드와, 상기 피스톤로드의 하부에서 피스톤로드의 외주면을 감싸며 결합되어 실린더의 내벽을 따라 이동하는 실캡과, 상기 스템의 둘레를 감싸며 결합되어 버튼부의 반복적인 펌핑이 가능하도록 상방향으로 탄성력을 제공하는 스프링을 포함하는 디스펜서 펌프에 있어서,In order to solve the above problems, the dispenser pump according to the present invention includes a screw cap surrounding the top discharge part of the container body and being screwed together, coupled to the hollow of the discharge part at the inside of the screw cap, and provided with a check valve at the inner bottom. A cylinder, one side is coupled to the inside of the button portion and the other side is located inside the cylinder to move together in accordance with the vertical movement of the button portion, the piston rod coupled to the lower portion of the stem, the piston rod at the bottom of the piston rod In the dispenser pump including a seal cap coupled to wrap around the outer peripheral surface of the cylinder and moving along the inner wall of the cylinder, and a spring coupled to wrap around the stem to provide elasticity in the upward direction to allow the pump to be repeatedly pumped.
상기 스템을 감싸며 실린더의 상부에 고정설치되되, 펌핑작동 과정에서 물을 포함하는 이물질이 실린더의 내부로 유입되는 것을 차단하는 씰링부재를 더 포함하며, 상기 버튼부는 상기 씰링부재의 상단이 외부로 노출되지 않도록 하방향으로 연장되는 연장부가 구비되는 것을 특징으로 한다.The stem surrounds the stem and is fixedly installed on an upper portion of the cylinder, and further includes a sealing member to block foreign substances, including water, from flowing into the cylinder during the pumping operation. It is characterized in that it is provided with an extension extending in the downward direction.
또한, 상기 씰링부재는, 상기 실린더의 상부 내측에 결합되는 결합관; 및 상기 결합관으로부터 상방향으로 연장되어 상기 연장부의 내측으로 삽입되되, 상기 스크류캡의 상단 개구부를 씰링처리하는 씰링관;을 포함하는 것을 특징으로 한다.In addition, the sealing member, the coupling pipe is coupled to the upper inside of the cylinder; And a sealing tube extending upward from the coupling tube and inserted into the extension part to seal the top opening of the screw cap.
또한, 상기 씰링부재는 상기 결합관의 내측에서 상기 스템을 감싸며 위치하여 상기 스프링이 설치되는 공간을 형성하되, 그 내주면에 상기 스프링의 하단이 안착되는 안착돌기가 구비되는 스프링 삽입관을 더 포함하는 것을 특징으로 한다.In addition, the sealing member is formed to surround the stem in the inner side of the coupling tube to form a space in which the spring is installed, the inner peripheral surface further comprises a spring insertion tube having a seating projection is seated on the bottom of the spring; It is characterized by.
또한, 상기 토출구의 선단부에는 토출구의 내부로 이물질이 유입되는 것을 차단하며, 내용물의 급작스러운 토출을 방지하는 분사노즐이 결합되는 것을 특징으로 한다.In addition, the front end portion of the discharge port is characterized in that the injection nozzle to block the foreign matter flowing into the interior of the discharge port to prevent the sudden discharge of the contents.
또한, 상기 피스톤로드의 측면에는 상기 스템의 독립적인 승하강 이동이 가능하도록 이동홈이 형성되며, 상기 스템의 내주면에는 상기 이동홈 내에서 이동하는 슬라이딩돌기가 구비되되, 펌핑작동이 완료된 후, 상기 스템이 상승하는 과정에서 상기 이동홈의 높이만큼 스템이 독립적으로 상승함에 따라 석백(suck back)작용이 이루어지며 토출구의 선단부에 잔류하는 내용물이 흡입되는 것을 특징으로 한다.In addition, a moving groove is formed on the side of the piston rod to enable the independent lifting and lowering movement of the stem, the inner peripheral surface of the stem is provided with a sliding projection to move in the moving groove, after the pumping operation is completed, the As the stem rises independently by the height of the movable groove in the process of raising the stem, a suck back action is performed and the contents remaining at the distal end of the discharge port are sucked in.
또한, 상기 피스톤로드의 상부는 스템의 내주면에 밀착되는 피스톤 형상으로 이루어지는 것을 특징으로 한다.In addition, the upper portion of the piston rod is characterized in that it consists of a piston shape in close contact with the inner peripheral surface of the stem.
이상 상술한 바와 같이 본 발명에 따르면 스템을 감싸며 실린더의 상부에 고정설치되는 씰링부재를 통해 펌핑작동 과정에서 물 등의 이물질이 실린더 내부로 유입되는 것을 차단함으로써, 내용물의 변질을 방지할 수 있는 장점이 있다.As described above, according to the present invention, the foreign matter such as water is prevented from being introduced into the cylinder during the pumping operation through a sealing member that surrounds the stem and is fixed to the upper portion of the cylinder, thereby preventing deterioration of contents. There is this.
또한, 토출구에 결합되는 분사노즐을 통해 토출구의 내부로 이물질이 유입되는 것을 차단할 수 있을 뿐만 아니라, 펌핑작동시 내용물이 급작스럽게 토출되는 것을 방지할 수 있는 장점이 있다.In addition, the injection nozzle coupled to the discharge port may not only prevent foreign matter from flowing into the discharge port, but also may prevent the contents from being suddenly discharged during the pumping operation.
또한, 피스톤로드의 측면에 스템의 독립적인 승하강 이동이 가능하도록 이동홈을 형성하고, 스템의 내주면에는 상기 이동홈 내에서 이동하는 슬라이딩돌기를 형성하여 펌핑작동이 완료된 후, 스템이 상승하는 과정에서 이동홈의 높이만큼 스템이 독립적으로 상승함에 따라 석백작용이 이루어지며 토출구의 선단부에 잔류하는 내용물을 흡입하여 용기의 오염을 방지할 수 있을 뿐만 아니라, 토출구 선단부에 내용물이 고착되는 현상을 차단할 수 있는 장점이 있다.In addition, a movement groove is formed on the side of the piston rod to allow the independent lifting and lowering movement of the stem, and the stem is raised after the pumping operation is completed by forming a sliding protrusion moving in the movement groove on the inner circumferential surface of the stem. As the stem rises as much as the height of the moving groove in the stand, it is possible to prevent the contamination of the container by inhaling the contents remaining in the distal end of the discharge port, and also to prevent the contents from sticking to the distal end of the discharge port. There is an advantage.
도 1은 종래기술의 디스펜서 펌프 구성도.1 is a block diagram of a conventional dispenser pump.
도 2는 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 결합사시도.Figure 2 is a perspective view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention.
도 3은 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 분해 단면도.Figure 3 is an exploded cross-sectional view showing the configuration of a dispenser pump according to a preferred embodiment of the present invention.
도 4는 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 결합단면도.Figure 4 is a cross-sectional view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention.
도 5 및 6은 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 작동과정을 보인 설명도.5 and 6 are explanatory views showing the operation of the dispenser pump according to a preferred embodiment of the present invention.
이하, 도면을 참조하여 본 발명을 상세히 설명하기로 한다. 각 도면에 제시된 동일한 참조부호는 동일한 부재를 나타낸다.Hereinafter, the present invention will be described in detail with reference to the drawings. Like reference numerals in the drawings denote like elements.
도 2는 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 결합사시도이고, 도 3은 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 분해 단면도이며, 도 4는 본 발명의 바람직한 실시예에 따른 디스펜서 펌프의 구성을 보인 결합단면도이다.2 is a combined perspective view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention, Figure 3 is an exploded cross-sectional view showing the configuration of the dispenser pump according to a preferred embodiment of the present invention, Figure 4 is a preferred embodiment of the present invention Coupling cross-sectional view showing the configuration of a dispenser pump according to the example.
도 2 내지 4를 참조하면, 본 발명의 바람직한 실시예에 따른 디스펜서 펌프는 용기본체(100)의 상단 배출부를 감싸며 나사결합되는 스크류캡(200)과, 상기 스크류캡(200)의 내측에서 배출부의 중공에 결합되되, 그 하단 중앙부에 내용물 유입홀(310)이 형성되고, 내용물 유입홀(310)을 개폐하는 체크밸브(320)가 설치되며, 용기본체(100)에 저장된 내용물을 흡입하는 내용물 흡입관(330)이 구비되는 실린더(300)와, 일측은 버튼부(700)의 내측에 결합되며 타측은 실린더(300)의 내측에 위치하여 버튼부(700)의 상하 이동에 따라 함께 움직이며 그 상부에 스프링(S)을 지지하는 지지돌기(410)가 구비되는 스템(400)과, 상기 스템의 하부에 결합되며 그 측면에 내용물 이동홀(510)이 형성되는 피스톤로드(500)와, 상기 피스톤로드(500)의 하부에서 피스톤로드(500)의 외주면을 감싸며 결합되어 실린더(300)의 내벽을 따라 이동하는 실캡(600)과, 상기 스템(400)의 둘레를 감싸며 결합되어 버튼부(700)의 반복적인 펌핑이 가능하도록 상방향으로 탄성력을 제공하는 스프링(S)을 포함한다.2 to 4, the dispenser pump according to a preferred embodiment of the present invention is a screw cap 200 that is screwed around the top discharge portion of the container body 100, and the discharge portion of the inside of the screw cap 200 Is coupled to the hollow, the bottom of the contents inlet hole 310 is formed, the check valve 320 for opening and closing the contents inlet hole 310 is installed, the contents suction pipe for sucking the contents stored in the container body 100 330 is provided with a cylinder 300, one side is coupled to the inside of the button portion 700 and the other side is located inside the cylinder 300 to move together in accordance with the vertical movement of the button portion 700 and the upper Stem 400 is provided with a support protrusion 410 for supporting the spring (S), the piston rod 500 is coupled to the lower portion of the stem and the contents moving hole 510 is formed on the side, and the piston Wrap the outer circumferential surface of the piston rod 500 in the lower portion of the rod 500 A spring cap coupled to the seal cap 600 moving along the inner wall of the cylinder 300 and surrounding the circumference of the stem 400 to provide an elastic force in the upward direction to allow the pump part of the button 700 to be repeatedly pumped. S).
본 발명에 있어서, 실린더(300)의 내측 상부에는 상기 스템(400)을 감싸며 고정 설치되어 펌핑작동 과정에서 물을 포함하는 이물질이 실린더(300)의 내부로 유입되는 것을 차단하는 씰링부재(800)가 구비되는 것이 특징으로서, 상기 씰링부재(800)는 결합관(810), 씰링관(820), 스프링 삽입관(830)을 포함한다.In the present invention, the inner upper portion of the cylinder 300 is wrapped around the stem 400 is fixedly installed sealing member 800 to block foreign matter containing water in the pump 300 during the pumping operation flows into the cylinder 300 Characterized in that is provided, the sealing member 800 includes a coupling pipe 810, sealing pipe 820, spring insertion pipe 830.
상기 결합관(810)은 상기 실린더(300)의 상부 내측에 결합되어 씰링부재(800)를 실린더(300)에 고정시킨다.The coupling pipe 810 is coupled to the upper inner side of the cylinder 300 to fix the sealing member 800 to the cylinder 300.
상기 씰링관(820)은 상기 결합관(810)으로부터 상방향으로 연장되는 것으로서, 그 외주면 하부가 상기 스크류캡(200)의 상단 개구부에 밀착된 상태로 결합되어 스크류캡(200)의 상단 개구부를 씰링처리하도록 구성된다.The sealing tube 820 extends upward from the coupling tube 810, and the outer circumferential surface thereof is coupled to be in close contact with the upper opening of the screw cap 200 to close the upper opening of the screw cap 200. Configured to seal.
또한, 상기 씰링관(820)은 버튼부(700)의 하방향으로 연장되는 연장부(720)의 내측으로 삽입되도록 구성되는데, 이로 인하여, 개방된 상단이 외부로 노출되지 않음에 따라 물 등의 이물질이 유입되는 것을 차단할 수 있게 된다.In addition, the sealing tube 820 is configured to be inserted into the inner portion of the extension portion 720 extending in the downward direction of the button portion 700, due to this, the open top is not exposed to the outside, such as water It is possible to block foreign matter from entering.
상기 스프링 삽입관(830)은 상기 결합관(810)의 내측에서 상기 스템(400)을 감싸며 위치하여 상기 스프링(S)이 설치되는 공간을 형성하는 것으로서, 그 내주면에 상기 스프링(S)의 하단이 안착되는 안착돌기(831)가 구비되는데, 상기 안착돌기(831)는 그 하단부가 실캡(600)의 상승시 실캡(600)의 상단과 맞닿도록 구성되어 실캡(600)의 상승을 제한하는 기능을 함께 수행하도록 구성된다.The spring insertion pipe 830 is formed to surround the stem 400 in the inner side of the coupling pipe 810 to form a space in which the spring (S) is installed, the lower end of the spring (S) on its inner peripheral surface The seating protrusion 831 is provided, the seating protrusion 831 has a lower end is configured to contact the top of the seal cap 600 when the seal cap 600 is raised to limit the rise of the seal cap 600 It is configured to perform together.
한편, 본 발명에 있어서, 상기 버튼부(700)의 토출구(710) 선단부에는 토출구(710)의 내부로 벌레와 같은 이물질이 유입되는 것을 차단하도록 분사노즐(900)이 구비되는 것이 특징으로서, 상기 분사노즐(900)에는 메쉬망(910)이 결합되어 이물질 유입을 차단할 뿐만 아니라, 펌핑작동에 의해 내용물의 토출시 내용물의 급작스러운 토출을 방지하는 기능을 수행한다.On the other hand, in the present invention, the injection nozzle 900 is provided at the tip of the discharge port 710 of the button unit 700 to block foreign matters such as insects from entering the discharge port 710, The mesh nozzle 910 is coupled to the injection nozzle 900 to block foreign material inflow, and to prevent sudden discharge of the contents when the contents are discharged by the pumping operation.
한편, 본 발명은 펌핑작동이 완료된 후, 스템(400)이 상승하는 과정에서 석백(suck back) 작용이 이루어지며 토출구(710)의 선단부에 잔류하는 내용물이 흡입되도록 구성되는 것이 특징으로서, 이를 위하여, 상기 피스톤로드(500)의 측면에는 상기 스템(400)의 독립적인 승하강 이동이 가능하도록 이동홈(520)이 형성되며, 상기 스템(400)의 내주면에는 상기 이동홈(520) 내에서 이동하는 슬라이딩돌기(420)가 구비된다.On the other hand, the present invention is characterized in that the suck back action is made in the process of raising the stem 400 after the pumping operation is completed, the contents remaining in the tip portion of the discharge port 710 is configured to suck, The side of the piston rod 500, the moving groove 520 is formed to enable the independent lifting and lowering movement of the stem 400, the inner circumferential surface of the stem 400 is moved in the moving groove 520 Sliding protrusion 420 is provided.
이하에서는 도 5 및 6을 참조하여, 본 발명의 내용물 토출과정 및 석백과정을 설명하기로 한다.Hereinafter, with reference to Figures 5 and 6, it will be described the contents discharging process and the stone back process of the present invention.
먼저, 도 5에 도시된 바와 같이, 버튼부(700)를 가압하게 되면 버튼부(700)의 하부에 결합된 스템(400)이 함께 하강하게 되는데, 이때, 이동홈(520)의 높이(h)만큼 슬라이딩돌기(420)가 하강하는 동안 스템(400)의 독립적인 하강이 이루어지게 된다.First, as shown in FIG. 5, when the button unit 700 is pressed, the stem 400 coupled to the lower portion of the button unit 700 is lowered together, and at this time, the height h of the movable groove 520. Independently descending of the stem 400 is made while the sliding protrusion 420 is lowered.
상기와 같이, 슬라이딩돌기(420)가 이동홈(520) 내에서 하강하다가 이동홈(520)의 하단에 맞닿게 되면, 스템(400)과 피스톤로드(500)가 함께 하강하게 되는데, 이로 인하여, 피스톤로드(500)의 하부 외주면을 감싸며 위치하는 실캡(600)이 실린더(300)의 내벽을 따라 이동하여 펌핑작동이 이루어짐에 따라 토출구(710)를 통한 내용물의 토출이 이루어지게 된다. As described above, when the sliding protrusion 420 is lowered in the moving groove 520 and abuts on the lower end of the moving groove 520, the stem 400 and the piston rod 500 is lowered together, thereby, The seal cap 600 positioned surrounding the lower outer circumferential surface of the piston rod 500 moves along the inner wall of the cylinder 300 to perform the pumping operation, thereby discharging the contents through the discharge port 710.
한편, 도 6에 도시된 바와 같이, 버튼부(700)의 가압을 해제하게 되면, 스프링(S)의 탄성력에 의해 스템(400), 피스톤로드(500), 실캡(600)이 상승하게 되는데, 스템(400), 피스톤로드(500), 실캡(600)이 상승하는 과정에서 피스톤로드(500)의 이동홈(520)의 높이(h)만큼 스템(400)의 슬라이딩돌기(420)가 독립적으로 상승함에 따라 석백(suck back) 작용이 이루어지며 토출구(710)의 선단부에 잔류하는 내용물의 흡입이 이루어지게 된다. 이때, 내용물의 흡입이 용이하도록 피스톤로드(500)의 상부는 스템(400)의 내주면에 밀착되는 피스톤 형상으로 이루어지는 것이 바람직하다.On the other hand, as shown in Figure 6, when the pressure release of the button unit 700, the stem 400, the piston rod 500, the seal cap 600 is raised by the elastic force of the spring (S), In the process of raising the stem 400, the piston rod 500, and the seal cap 600, the sliding protrusion 420 of the stem 400 independently of the height h of the moving groove 520 of the piston rod 500 is independently. As it rises, a suck back action is performed and suction of the contents remaining at the distal end of the discharge port 710 is performed. At this time, the upper portion of the piston rod 500 is preferably made of a piston shape in close contact with the inner peripheral surface of the stem 400 to facilitate the suction of the contents.
상기와 같은 석백(suck back) 작용에 의해 토출구(710)의 선단부에 잔류하는 내용물을 흡입함으로써, 용기의 오염을 방지할 수 있을 뿐만 아니라, 토출구(710) 선단부에 내용물이 고착되는 현상을 차단하는 것이 가능하게 된다.By sucking the contents remaining at the distal end of the discharge port 710 by the suck back action as described above, it is possible to prevent contamination of the container and to prevent the contents from sticking to the distal end of the discharge port 710. It becomes possible.
도면과 명세서에서 최적 실시 예들이 개시되었다. 여기서 특정한 용어들이 사용되었으나, 이는 단지 본 발명을 설명하기 위한 목적에서 사용된 것이지 의미한정이나 특허청구범위에 기재된 본 발명의 범위를 제한하기 위하여 사용된 것은 아니다. 그러므로 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시 예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적 보호범위는 첨부된 특허청구범위의 기술적 사상에 의해 정해져야 할 것이다.Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (6)

  1. 용기본체의 상단 배출부를 감싸며 나사결합되는 스크류캡과, 상기 스크류캡의 내측에서 배출부의 중공에 결합되며 내측 하단에 체크밸브가 구비되는 실린더와, 일측은 버튼부의 내측에 결합되며 타측은 상기 실린더의 내측에 위치하여 버튼부의 상하 이동에 따라 함께 움직이는 스템과, 상기 스템의 하부에 결합되는 피스톤로드와, 상기 피스톤로드의 하부에서 피스톤로드의 외주면을 감싸며 결합되어 실린더의 내벽을 따라 이동하는 실캡과, 상기 스템의 둘레를 감싸며 결합되어 버튼부의 반복적인 펌핑이 가능하도록 상방향으로 탄성력을 제공하는 스프링을 포함하는 디스펜서 펌프에 있어서,A screw cap that wraps around the upper outlet of the container body and is screwed, coupled to the hollow of the outlet at the inside of the screw cap, and a cylinder having a check valve at the inner bottom thereof, one side is coupled to the inside of the button portion and the other side of the cylinder A stem which is located inside and moves together according to the vertical movement of the button, a piston rod coupled to the lower portion of the stem, and a seal cap which is coupled to surround the outer circumferential surface of the piston rod at the lower portion of the piston rod and moves along the inner wall of the cylinder; In the dispenser pump including a spring wrapped around the stem and coupled to provide an elastic force in the upward direction to enable repeated pumping of the button portion,
    상기 스템을 감싸며 실린더의 상부에 고정설치되되, 펌핑작동 과정에서 물을 포함하는 이물질이 실린더의 내부로 유입되는 것을 차단하는 씰링부재를 더 포함하며, 상기 버튼부는 상기 씰링부재의 상단이 외부로 노출되지 않도록 하방향으로 연장되는 연장부가 구비되는 것을 특징으로 하는 디스펜서 펌프.The stem surrounds the stem and is fixedly installed on an upper portion of the cylinder, and further includes a sealing member to block foreign substances, including water, from flowing into the cylinder during the pumping operation, and the button part is exposed to the outside of the upper end of the sealing member. Dispenser pump, characterized in that provided with an extension extending in the downward direction.
  2. 청구항 1에 있어서,The method according to claim 1,
    상기 씰링부재는,The sealing member,
    상기 실린더의 상부 내측에 결합되는 결합관; 및A coupling pipe coupled to an upper inner side of the cylinder; And
    상기 결합관으로부터 상방향으로 연장되어 상기 연장부의 내측으로 삽입되되, 상기 스크류캡의 상단 개구부를 씰링처리하는 씰링관;을 포함하는 것을 특징으로 하는 디스펜서 펌프.And a sealing tube extending upwardly from the coupling pipe and inserted into the extension part to seal the top opening of the screw cap.
  3. 청구항 2에 있어서,The method according to claim 2,
    상기 씰링부재는 상기 결합관의 내측에서 상기 스템을 감싸며 위치하여 상기 스프링이 설치되는 공간을 형성하되, 그 내주면에 상기 스프링의 하단이 안착되는 안착돌기가 구비되는 스프링 삽입관을 더 포함하는 것을 특징으로 하는 디스펜서 펌프.The sealing member is formed to surround the stem in the inner side of the coupling tube to form a space in which the spring is installed, the inner peripheral surface further comprises a spring insertion tube is provided with a seating projection for seating the bottom of the spring; Dispenser pump.
  4. 청구항 3에 있어서,The method according to claim 3,
    상기 토출구의 선단부에는 토출구의 내부로 이물질이 유입되는 것을 차단하며, 내용물의 급작스러운 토출을 방지하는 분사노즐이 결합되는 것을 특징으로 하는 디스펜서 펌프.Dispensing pump, characterized in that the distal end of the discharge port is coupled to the injection nozzle to block the foreign matter flowing into the discharge port to prevent the sudden discharge of the contents.
  5. 청구항 3에 있어서,The method according to claim 3,
    상기 피스톤로드의 측면에는 상기 스템의 독립적인 승하강 이동이 가능하도록 이동홈이 형성되며, 상기 스템의 내주면에는 상기 이동홈 내에서 이동하는 슬라이딩돌기가 구비되되, 펌핑작동이 완료된 후, 상기 스템이 상승하는 과정에서 상기 이동홈의 높이만큼 스템이 독립적으로 상승함에 따라 석백(suck back)작용이 이루어지며 토출구의 선단부에 잔류하는 내용물이 흡입되는 것을 특징으로 하는 디스펜서 펌프.A moving groove is formed on the side of the piston rod to allow the independent lifting and lowering movement of the stem, and the inner circumferential surface of the stem is provided with a sliding protrusion moving in the moving groove, and after the pumping operation is completed, the stem is As the stem rises independently by the height of the moving groove in the ascending process, a suck back action is performed and the contents remaining at the distal end of the discharge port are sucked in.
  6. 청구항 5에 있어서,The method according to claim 5,
    상기 피스톤로드의 상부는 스템의 내주면에 밀착되는 피스톤 형상으로 이루어지는 것을 특징으로 하는 디스펜서 펌프.The upper portion of the piston rod is a dispenser pump, characterized in that formed in a piston shape in close contact with the inner peripheral surface of the stem.
PCT/KR2018/000846 2017-03-31 2018-01-18 Dispenser pump WO2018182155A1 (en)

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