WO2021206253A1 - Capuchon de pompe - Google Patents

Capuchon de pompe Download PDF

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Publication number
WO2021206253A1
WO2021206253A1 PCT/KR2020/015950 KR2020015950W WO2021206253A1 WO 2021206253 A1 WO2021206253 A1 WO 2021206253A1 KR 2020015950 W KR2020015950 W KR 2020015950W WO 2021206253 A1 WO2021206253 A1 WO 2021206253A1
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WO
WIPO (PCT)
Prior art keywords
piston
elastic part
elastic
rod
internal
Prior art date
Application number
PCT/KR2020/015950
Other languages
English (en)
Korean (ko)
Inventor
이경창
Original Assignee
주식회사 삼화
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 삼화 filed Critical 주식회사 삼화
Publication of WO2021206253A1 publication Critical patent/WO2021206253A1/fr

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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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation

Definitions

  • the present invention relates to a pump cap having a simple configuration and easy recycling.
  • the pump cap is coupled to an upper inlet of a container for storing liquid contents such as cosmetic liquid, and serves to discharge and spray the contents to the outside by a fixed amount.
  • a container for storing liquid contents such as cosmetic liquid
  • the content injected into the pump cap is pressurized, rises along the discharge passage, and is sprayed through the nozzle.
  • the discharge passage is mechanically closed by the rise of the nozzle, and as the pressure inside the pump is lowered, the contents are introduced from the container to supplement it.
  • Such a pump cap is used for spraying various contents such as perfume and cosmetics as well as shampoo, air freshener, and insecticide.
  • contents such as perfume and cosmetics as well as shampoo, air freshener, and insecticide.
  • it is possible to discharge the contents by a single nozzle pressurization, and since the contents are not exposed to external air, they are convenient to use and thus their use is increasing.
  • Korean Patent No. 1963619 discloses a pump cap of a spray pump. Since the pump cap disclosed in the prior art document includes a nozzle, a nozzle cap, a cap cover, a cap, a valve, a valve spring, a housing cover, a piston spring, a piston, a guide, a disk, a housing, etc., the configuration is complicated and manufacturing is difficult. has In addition, the conventional pump cap includes a valve spring and a piston spring formed of a metal material, which makes recycling difficult, unlike other parts made of plastic. In particular, in recent years, as interest and necessity for environmental protection increase, the demand for easily recyclable pump caps is increasing, but the conventional pump caps do not satisfy such demand.
  • the present invention has been derived to solve the above problems, and an object of the present invention is to provide a pump cap having a simple structure and easy recycling.
  • a pump cap includes a cylinder, a piston having an inlet hole for elevating and lowering inside the cylinder and into which contents are introduced, a rod coupled to and communicating with the upper portion of the piston and protruding to the outside of the cylinder; It includes an elastic member that is located under the piston and the rod and provides an elastic force for upwardly pressing the piston and the rod, wherein the elastic member is formed of an elastic material and can be deformed, and the inner elastic part and the inner elastic part circumference It has an external elastic part formed in, the internal elastic part presses the piston upward, and the external elastic part presses the rod upward.
  • the pump cap according to the present invention may have one or more of the following embodiments.
  • a hard part may be formed at the lower end of the elastic member.
  • An elastic head is provided at the upper end of the internal elastic part, the elastic head is in contact with the lower end of the piston, and a passage through which the contents pass may be formed in the elastic head.
  • the external elastic part may have an internal inclined surface
  • the piston may have a contact end in contact with the internal inclined surface
  • the inlet hole may be opened.
  • a pressing protrusion is formed on the upper portion of the external elastic part, and the pressing protrusion may press the outer circumferential surface of the piston.
  • a gap may be formed between the external elastic part and the rod.
  • the present invention can provide a pump cap having a simple structure and easy recycling.
  • FIG. 1 is a cross-sectional view illustrating a pump cap according to a first embodiment of the present invention.
  • FIG. 2 is a plan view and a cross-sectional view illustrating an elastic member applied to FIG. 1 .
  • FIG. 3 is a cross-sectional view illustrating a state in which the inlet hole is opened while the rod and the piston are lowered in FIG. 1 .
  • FIG. 4 is a cross-sectional view illustrating a state in which the contents are discharged while the rod and the piston are further descended in FIG. 3 .
  • a shoulder flange 144 protrudes outward around the circumference. And at the end of the shoulder flange 144, the shoulder circumferential surface 146 is formed to protrude downward.
  • the shoulder circumferential surface 146 is in contact with the upper outer peripheral surface of the cylinder 150 and the lower end thereof is in contact with the upper surface of the cylinder flange 152 .
  • the cylinder 150 is inserted into the upper inlet of the container (not shown) in which the contents are stored. And the cylinder 150 has an inner space, and the piston 120 is positioned in the inner space to move up and down, and the elastic member 170 is positioned at the lower part.
  • the cylinder 150 has a hollow cylindrical shape, and both upper and lower portions thereof have an open structure. And a cylinder flange 152 protrudes outwardly around the cylinder 150 . The cylinder flange 152 may be seated on the upper portion of the container (not shown).
  • a seating step 156 having a reduced diameter is formed inside the cylinder 150 .
  • the disk 160 may be located on the seating step 156 .
  • the disc 160 is opened or closed by the pressure difference between the inner space of the elastic member 170 and the container, and the structure thereof is disclosed by Korean Patent No. 1975847 and the like, so a detailed description thereof will be omitted.
  • the elastic member 170 serves to elastically support the rod 110 and the piston 120 upward while being positioned in the inner space of the cylinder 150 .
  • the elastic member 170 includes an external elastic part 172, an internal elastic part 180, and a hard part 190, which are all the same as other parts of the pump cap 100 such as plastic resin, elastomer, silicone, etc. It may be made of a material or a material that is easy to recycle.
  • the external elastic part 172 has a hollow column shape, and the internal elastic part 180 is located therein.
  • the external elastic part 172 may be formed of a material having elasticity, such as an elastomer. Accordingly, when the external elastic part 172 is pressed by the descending rod 110 , the shape of the external elastic part 172 is changed while providing an upward elastic force to the rod 110 .
  • Both the upper end and the lower end of the external elastic part 172 have an open structure. Contents may be introduced from a container (not shown) through the open lower end of the external elastic part 172 . And the piston head 128 is inserted into the open upper end of the external elastic part (172). In addition, a pressing protrusion 174 protrudes inwardly on the inner peripheral surface of the upper inlet of the external elastic part 172 . The pressing protrusion 174 presses the outer peripheral surface of the piston body 122 so that the contents do not flow out.
  • the upper end of the external elastic part 172 is in contact with the lower end of the shoulder body 142 .
  • the upper end of the external elastic portion 172 is pressed downward while in contact with the lower end of the descending rod 110 .
  • a gap is formed between the upper end of the external elastic part 172 and the lower end of the rod 110 (see FIG. 1 ). Therefore, when the rod 110 and the piston 120 start to descend, the external elastic part 172 is not deformed until it descends by a distance corresponding to the gap. Due to this, the inlet hole 126 of the piston 120 can be easily opened.
  • the diameter of the external elastic part 172 may not be formed according to its height.
  • the external elastic part 172 may include an internal inclined surface 176 , and the diameter of the external elastic part 172 may be reduced by the internal inclined surface 176 .
  • the contact end 130 of the piston head 128 is in contact with the inner inclined surface 176 , whereby the inlet hole 126 of the piston 120 is closed.
  • the external elastic part 172 serves not only as an elastic member but also as a valve of the conventional pump cap selectively closing the inlet hole 126 .
  • a first space 178 corresponding to an empty space is formed between the external elastic part 172 and the internal elastic part 180 .
  • the contents that have passed through the elastic head 182 are introduced into the first space 178 .
  • the internal elastic part 180 is located inside the external elastic part 172, and has a circular cross-section, such as a dome shape, and may have a shape in which the diameter decreases according to the height.
  • the internal elastic part 180 may also be formed integrally with the external elastic part 172 by a material having elasticity, such as an elastomer.
  • An elastic head 182 is formed on the upper portion of the internal elastic part 180 .
  • the elastic head 182 is in contact with the lower end of the piston head 128 and elastically presses it upward.
  • a vertical passage 184 and a horizontal passage 186 through which the introduced contents are discharged are formed in the elastic head 182 .
  • the contents introduced into the second space 188 formed by the internal elastic part 180 are introduced into the first space 178 while sequentially passing through the vertical passage 184 and the horizontal passage 186 (FIG. 4). see arrow).
  • the inner elastic part 180 is formed of a material having elasticity, as illustrated in FIG. 4 , when the piston 120 descends, it is deformed. And when the external force applied to the piston 120 is removed, the internal elastic part 180 provides an upward pressing force to the piston 120 while elastically restored.
  • a hard part 190 formed of a harder material than the external elastic part 172 and the internal elastic part 180 is provided under the elastic member 170 .
  • the hard part 190 has a ring shape and may be integrally formed with the external elastic part 172 and the internal elastic part 180 by double injection. And the hard part 190 is seated on the cylinder step 158 formed inside the cylinder 150.
  • the elastic member 170 is made of a plastic resin (hard part 190) and an elastomer (external elastic part 172 and internal elastic part 180), etc. Therefore, it has the advantage of being easy to recycle and separate collection together with other parts of the pump cap 100 .
  • the pump cap 100 according to this embodiment has the advantage of reducing the number of parts compared to the conventional pump cap.

Landscapes

  • Closures For Containers (AREA)

Abstract

Selon un aspect de l'invention, un capuchon de pompe comprend : un cylindre ; un piston qui monte et descend à l'intérieur du cylindre et possède un trou d'entrée dans lequel des contenus sont introduits ; une tige qui est couplée en communication à une partie supérieure du piston et fait saillie vers l'extérieur du cylindre ; et un élément élastique qui est situé sous le piston et la tige et fournit une force élastique pour pousser le piston et la tige vers le haut, l'élément élastique étant constitué d'un matériau élastique à déformer et comprenant une partie élastique interne ainsi qu'une partie élastique externe formée à la circonférence de la partie élastique interne, la partie élastique interne poussant le piston vers le haut, et la partie élastique externe poussant la tige vers le haut.
PCT/KR2020/015950 2020-04-07 2020-11-13 Capuchon de pompe WO2021206253A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0042163 2020-04-07
KR1020200042163A KR102305802B1 (ko) 2020-04-07 2020-04-07 펌프캡

Publications (1)

Publication Number Publication Date
WO2021206253A1 true WO2021206253A1 (fr) 2021-10-14

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ID=77920401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/015950 WO2021206253A1 (fr) 2020-04-07 2020-11-13 Capuchon de pompe

Country Status (2)

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KR (1) KR102305802B1 (fr)
WO (1) WO2021206253A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102625263B1 (ko) * 2022-01-27 2024-01-15 정만택 펌프형 샴푸용기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786289A2 (fr) * 1996-01-29 1997-07-30 Monturas, S.A. Pulvérisateur à pompe à précompression
KR20040039526A (ko) * 2002-11-02 2004-05-12 주식회사 종우실업 수동식 분사펌프
JP2005212801A (ja) * 2004-01-27 2005-08-11 Shiseido Co Ltd 内容物放出用ポンプ機構
US20150136810A1 (en) * 2012-05-16 2015-05-21 Yaowu Ding Press-type liquid pump
KR102017318B1 (ko) * 2017-10-16 2019-09-03 주식회사 엘지생활건강 디스펜서 펌프

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786289A2 (fr) * 1996-01-29 1997-07-30 Monturas, S.A. Pulvérisateur à pompe à précompression
KR20040039526A (ko) * 2002-11-02 2004-05-12 주식회사 종우실업 수동식 분사펌프
JP2005212801A (ja) * 2004-01-27 2005-08-11 Shiseido Co Ltd 内容物放出用ポンプ機構
US20150136810A1 (en) * 2012-05-16 2015-05-21 Yaowu Ding Press-type liquid pump
KR102017318B1 (ko) * 2017-10-16 2019-09-03 주식회사 엘지생활건강 디스펜서 펌프

Also Published As

Publication number Publication date
KR102305802B1 (ko) 2021-09-30

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