WO2002092465A1 - Pompe a emulsion pourvue d'un passage pour gaz - Google Patents

Pompe a emulsion pourvue d'un passage pour gaz Download PDF

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Publication number
WO2002092465A1
WO2002092465A1 PCT/CN2002/000326 CN0200326W WO02092465A1 WO 2002092465 A1 WO2002092465 A1 WO 2002092465A1 CN 0200326 W CN0200326 W CN 0200326W WO 02092465 A1 WO02092465 A1 WO 02092465A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
emulsion
piston rod
gap
wall
Prior art date
Application number
PCT/CN2002/000326
Other languages
English (en)
French (fr)
Inventor
Yaowu Ding
Original Assignee
Yaowu Ding
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 Yaowu Ding filed Critical Yaowu Ding
Priority to KR1020037012917A priority Critical patent/KR100824498B1/ko
Priority to EP02727176A priority patent/EP1468938B1/en
Publication of WO2002092465A1 publication Critical patent/WO2002092465A1/zh
Priority to US10/621,626 priority patent/US6890162B2/en

Links

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
    • 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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing 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
    • 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
    • B05B11/105—Sealing arrangements around pump actuating stem
    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position

Definitions

  • Emulsion pump with anti-liquid gas passage Emulsion pump with anti-liquid gas passage
  • the utility model relates to an emulsion pump with an anti-liquid intake air passage. Background technique
  • the emulsion in the bottle When the emulsion pump is in operation, the emulsion in the bottle is continuously sucked out, and air is continuously replenished into the bottle to balance the air pressure inside and outside the bottle, so as to ensure that the emulsion in the bottle can be continuously sucked out.
  • the passage of gas is called "airway".
  • one or more holes 2 are provided on the wall of the cylinder 1 to communicate the air pressure inside and outside the bottle.
  • the hole 2 balances the air pressure inside and outside the bottle, it also brings bad consequences. For example, during transportation, the emulsion in the bottle can easily enter the cylinder 1 through the hole 2.
  • the purpose of the utility model is to provide an emulsion pump with an anti-liquid intake airway, which can balance the air pressure inside and outside the bottle, and can prevent the emulsion from contacting the piston rod, thereby preventing the liquid creeping phenomenon.
  • a lotion pump with an anti-liquid intake airway which comprises: a piston rod with a built-in upper check valve; a plunger fixed on the upper end of the rising piston rod; A dental mouthpiece, a water-proof guide sleeve is integrally formed on the lower wall of the central through hole, and the inner wall of the water-proof guide sleeve is in sliding fit with the outer wall of the piston rod; a cylinder, the upper end of which is threaded with a threaded portion of the dental mouthpiece
  • the meshing connection includes a built-in check valve and a spring; a rubber tube whose upper end is fixedly connected to the lower end of the cylinder; and a washer which is arranged outside the upper end of the cylinder and is in close contact with an inner lower surface of the dental mouthpiece;
  • the width of the teeth at the upper end of the thread is A, and the width of the groove in the threaded part of the threaded connection between the brace and the
  • the advantage of the utility model is that the air passage formed thereby can effectively prevent the emulsion from flowing backward along the air passage, because: 1. Gasket plays an important barrier role, the gap between the cylinder and the gasket is easy to pass through the gas but not through the emulsion;
  • FIG. 1 is a schematic structural diagram of an emulsion pump in the prior art
  • FIG. 2 is a schematic structural diagram of the emulsion pump according to the present invention in a locked state
  • FIG. 3 is an enlarged view of a circle A in FIG. 2;
  • FIG. 4 is a schematic structural diagram of the emulsion pump according to the present invention in an opened state
  • FIG. 5 is a longitudinal sectional view of a dental mouthpiece
  • Fig. 6 is a side view of the cylinder. detailed description
  • the emulsion pump of the present invention includes a ram 3, a piston rod 4, a dental mouthpiece 6, a cylinder ⁇ , and a rubber tube 18.
  • the head 3 has a channel 7 therein, and a pipe joint 8 is provided at the lower end of the channel.
  • the pipe joint 8 includes an inner pipe 9 and an outer pipe 10.
  • An outer thread 11 is provided on an outer wall of the outer pipe 10, and an annular groove 12 is provided between the inner pipe and the outer pipe.
  • the outer diameter of the upper end 13 of the piston rod 4 is reduced, and is fixedly connected to the inner wall of the inner tube 9 through a groove and a convex ring.
  • the outer diameter of the rest of the piston rod 4 is the same as the outer diameter of the inner tube 9.
  • An upper valve seat 19 is provided on the inner side of the piston rod 4, an upper glass ball 20 is placed on the upper valve seat 19, and the upper valve seat 19 and the upper glass ball 20 form a check valve which can be opened upward.
  • the dental mouthpiece 6 has a central through hole 14, and a lower part of the central through hole 14 is integrally formed with a water-proof guide sleeve. Tube 15.
  • the inner wall of the anti-water entry guide sleeve 15 can slideably fit with the outer wall of the piston rod 4, and the upper end of the anti-water entry guide sleeve 15 is higher than the upper plane of the dental mouthpiece 6.
  • an internal thread 16 is formed in an upper portion of the central through hole 14 so as to be able to be engaged with the external thread 11 on the plunger 3.
  • the upper end of the cylinder 17 is connected to the mouthpiece 6 through a thread, and the inner wall of the cylinder 17 is in sealing sliding contact with the outer wall of the lower end of the piston rod 4.
  • a lower valve seat 21 is provided on the lower inner side of the cylinder 17, a lower glass ball 22 is placed on the lower valve seat 21, and the lower valve seat 21 and the lower glass ball 22 form a check valve which can be opened upward.
  • a spring 23 is provided inside the cylinder 17. The upper end of the spring 23 abuts the lower end of the piston rod 4, and the lower end of the spring 23 abuts the lower end of the cylinder 17.
  • a gasket 24 is provided on the inner plane of the dental mouthpiece 6; a rubber tube 18 is provided at the lower end of the cylinder 17.
  • the upper end of the cylinder 17 is connected to the dental mouthpiece 6 through a thread. 3, 5 and 6, the width of the teeth of the upper thread of the cylinder 17 is A; In addition, there is at least one notch 25 in the upper end of the cylinder 17. In addition, the width of the tooth groove in the threaded portion where the mouthpiece 6 is screwed with the cylinder 17 is B, and the width B of the tooth groove is greater than the width A of the tooth. In this way, when the upper thread of the cylinder 17 is engaged with the thread on the mouthpiece 6, a gap 26 is formed between their threads (see FIG. 3).
  • an airway is formed, which passes through the gap between the dental mouthwater prevention guide sleeve 15 and the piston rod 4, the gap 25 at the upper end of the cylinder 17, the gap 26 between the cylinder 17 and the screw 6 of the dental mouthpiece, and a gasket.
  • the gap between 24 and the outer wall of cylinder 17 finally enters the lotion bottle (not shown).
  • the air passages thus formed can effectively prevent the emulsion in the emulsion bottle from passing through the air passages in the reverse direction, thereby preventing liquid creeping.
  • the upper end of the cylinder 17 may not be provided with a notch 25, and a notch (not shown) is formed on the lower surface of the top of the mouthpiece 6 that contacts the upper end of the cylinder 17, so that The above-mentioned airways can also be formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)

Description

具有防进液气道的乳液泵 技术领域
本实用新型涉及一种具有防进液气道的乳液泵。 背景技术
乳液泵工作时不断吸出瓶内的乳液， 同时不断地向瓶内补充空气， 平衡瓶 内外气压， 以便保证能不断地吸出瓶内乳液。 气体流通的通道称为 "气道" 。 在如图 1所示的一种现有技术的乳液泵中， 在汽缸 1的壁上设有一个或多个孔 2 (图上只画了一个孔） ， 以便沟通瓶内外气压。 但是， 孔 2在平衡瓶内外气 压的同时也会带来不良后果， 例如， 在运输过程中， 瓶内的乳液极易通过孔 2 进入汽缸 1内。 这时， 乳液泵押头 3通常是如图 1那样被锁定， 因此， 进入汽 缸 1的乳液覆盖在活塞杆 4上。 当启用乳液泵时， 活塞杆 4随押头 3上升通过 汽缸盖 5， 使粘结在活塞杆 4上的乳液暴露出来， 形成所谓的 "爬液"现象。 这种爬液现象既不美观又影响使用， 必须予以克服。 发明内容
本实用新型的目的是提供一种既能平衡瓶内外气压、 又能防止乳液接触活 塞杆、 从而防止出现爬液现象的、 具有防进液气道的乳液泵。
本实用新型的目的是通过以下技术方案实现的， 提供一种防进液气道的乳 液泵， 它包括： 一活塞杆， 内置一上单向阀； 一押头， 固定在上升活塞杆上端； 一牙套， 其中央通孔的下部壁上一体形成有一防进水导向套管， 所述防进水导 向套管的内壁与活塞杆的外壁滑动配合； 一汽缸， 其上端螺紋与牙套的一螺纹 部分啮合连接， 内置一下单向阀及一弹簧； 一胶管， 其上端与汽缸下端固定连 接； 以及一垫片， 其设置在所述汽缸上端外侧， 并紧贴牙套的一内侧下表面； 其中， 汽缸的上端螺纹的齿的宽度为 A， 牙套与汽缸螺纹连接的螺紋部分中的 齿槽宽度为 B， 而 B大于 A; 此外， 在汽缸上端与牙套顶部下表面接触面之间 存在间隙。
在所述的乳液泵中， 汽缸上端存在至少一个缺口。
本实用新型的优点是， 由此形成的气道可有效地防止乳液沿气道反向流出， 这是因为： 1 . 垫片起着重要的阻隔作用， 汽缸和垫片之间的间隙易通过气体而不易通 过乳液；
2. 汽缸的上端螺纹与牙套上的螺纹啮合时， 在它们的螺纹之间形成间隙， 此间隙环绕着汽缸成螺旋线延伸， 乳液难以进入；
3. 由此形成的气道要通过在汽缸顶端最高点处的缺口， 乳液难以爬升到如 此高度；
4. 由于气道需要经过牙套防进水导向套管与活塞杆之间的间隙、 汽缸上端 的缺口、 汽缸与牙套螺牙之间的间隙、 垫片与汽缸外侧壁之间的间隙， 最后进 入乳液瓶， 因此， 乳液要反向经过如此长、 如此高、 如此曲折的气道是不可能 的。 附图说明
本实用新型的具体结构由以下的实施例和附图给出。
图 1是现有技术中的乳液泵结构示意图；
图 2是本实用新型所述乳液泵在锁定状态时的结构示意图；
图 3是图 2中的圆圈 A的放大图；
图 4是本实用新型所述乳液泵在打开状态时的结构示意图；
图 5是牙套的纵向剖视图； 以及
图 6是汽缸的侧视图。 具体实施方式
参看图 2和 4， 本实用新型的乳液泵包括押头 3、 活塞杆 4、 牙套 6、 汽缸 Π和胶管 18。
押头 3内具有一通道 7， 通道下端有一管接头 8。 管接头 8包括一内管 9和 一外管 10， 外管 10的外壁上设有外螺纹 11， 而内管和外管之间设有环形凹槽 12。
活塞杆 4的上端 13的外径縮小，且与内管 9的内壁通过凹槽与凸环嵌合等 方式固定连接。 而活塞杆 4的其余部分的外径与内管 9的外径相同。 活塞杆 4 的内侧设一上阀座 19， 上阀座 19上置一上玻璃球 20， 上阀座 19和上玻璃球 20形成一可向上打开的单向阀。
牙套 6有一中央通孔 14， 中央通孔 14的下部一体形成有一防进水导向套 管 15。 该防进水导向套管 15的内壁可与活塞杆 4的外壁滑动配合， 且该防进 水导向套管 15的上端比牙套 6的上平面高。 此外， 在中央通孔 14的上部形成 有可与押头 3上的外螺紋 11啮合的内螺纹 16。
汽缸 17的上端通过螺纹与牙套 6连接， 而汽缸 17的内壁与活塞杆 4的下 端外侧壁密封滑动接触。在汽缸 17的内侧下端设一下阀座 21， 下阀座 21上置 一下玻璃球 22， 下阀座 21和下玻璃球 22形成一可向上打开的单向阀。 此外， 在汽缸 17内侧还设置一弹簧 23， 弹簧 23的上端抵顶活塞杆 4的下端， 弹簧 23的下端抵顶汽缸 17的下端。
此外， 在牙套 6的内侧平面上还设置一垫片 24; 在汽缸 17的下端设置胶 管 18。
如上所述， 汽缸 17的上端通过螺纹与牙套 6连接。 参看图 3、 5和 6， 汽缸 17的上端螺紋的齿的宽度为 A; 此外， 在汽缸 17的上端还有至少一缺口 25。 另外，牙套 6与汽缸 17螺纹连接的螺纹部分中的齿槽的宽度为 B，而齿槽的宽 度 B大于齿的宽度 A。 这样， 当汽缸 17的上端螺纹与牙套 6上的螺紋啮合时， 在它们的螺紋之间形成间隙 26 (见图 3 ) 。 由此， 形成一气道， 该气道经过牙 套防进水导向套管 15与活塞杆 4之间的间隙、 汽缸 17上端的缺口 25、 汽缸 17与牙套 6螺牙之间的间隙 26、 垫片 24与汽缸 17外侧壁之间的间隙， 最后 进入乳液瓶 （未画出） 内。 由此形成的气道可有效防止乳液瓶内的乳液反向通 过气道， 从而防止爬液现象出现。
在本实用新型的范围内还可对上述实施例作出许多改变，例如汽缸 17上端 可以不设置缺口 25， 而在牙套 6与汽缸 17上端接触的顶部下表面上形成缺口 (未画出） ， 这样也可形成上述的气道。

Claims

权利要求书
1. 一种防进液气道的乳液泵， 包括： 一活塞杆， 内置一上单向阀； 一押头， 固定在上升活塞杆上端； 一牙套， 其中央通孔的下部壁上一体形成有一防进水 导向套管， 所述防进水导向套管的内壁与活塞杆的外壁滑动配合； 一汽缸， 其 上端螺纹与牙套的一螺纹部分啮合连接， 内置一下单向阀及一弹簧； 一胶管， 其上端与汽缸下端固定连接； 以及一垫片， 其设置在所述汽缸上端外侧， 并紧 贴牙套的一内侧下表面； 其特征在于， 汽缸的上端螺紋的齿的宽度为 A， 牙套 与汽缸螺紋连接的螺纹部分中的齿槽宽度为 B， 而 B大于 A; 此外， 在汽缸上 端与牙套顶部下表面接触面之间存在间隙。
2. 如权利要求 1所述的乳液泵，其特征在于，汽缸上端存在至少一个缺口。
PCT/CN2002/000326 2001-05-16 2002-05-13 Pompe a emulsion pourvue d'un passage pour gaz WO2002092465A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020037012917A KR100824498B1 (ko) 2001-05-16 2002-05-13 액체유입을 방지하는 공기 채널을 구비한 에멀젼 펌프
EP02727176A EP1468938B1 (en) 2001-05-16 2002-05-13 Emulsion pump with a gas path
US10/621,626 US6890162B2 (en) 2001-05-16 2003-07-17 Emulsion pump with an air channel preventing liquid entrance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN01221317.9 2001-05-16
CN01221317U CN2483350Y (zh) 2001-05-16 2001-05-16 具有防进液气道的乳液泵

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/621,626 Continuation US6890162B2 (en) 2001-05-16 2003-07-17 Emulsion pump with an air channel preventing liquid entrance

Publications (1)

Publication Number Publication Date
WO2002092465A1 true WO2002092465A1 (fr) 2002-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2002/000326 WO2002092465A1 (fr) 2001-05-16 2002-05-13 Pompe a emulsion pourvue d'un passage pour gaz

Country Status (6)

Country Link
US (1) US6890162B2 (zh)
EP (1) EP1468938B1 (zh)
JP (1) JP4040566B2 (zh)
KR (1) KR100824498B1 (zh)
CN (1) CN2483350Y (zh)
WO (1) WO2002092465A1 (zh)

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CN103662363A (zh) * 2013-12-10 2014-03-26 中山市联昌喷雾泵有限公司 一种优化主柱的乳液泵
CN104859936B (zh) * 2014-02-26 2017-04-12 德晋（香港）控股有限公司 气压式喷头装置
CN105236003A (zh) * 2014-03-28 2016-01-13 丁要武 防松脱乳液泵
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US20040062667A1 (en) 2004-04-01
KR20030096297A (ko) 2003-12-24
JP2004115130A (ja) 2004-04-15
CN2483350Y (zh) 2002-03-27
US6890162B2 (en) 2005-05-10
EP1468938B1 (en) 2009-12-16
EP1468938A4 (en) 2008-05-07
JP4040566B2 (ja) 2008-01-30
EP1468938A1 (en) 2004-10-20
KR100824498B1 (ko) 2008-04-22

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