CN108455518B - 提取系统 - Google Patents

提取系统 Download PDF

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CN108455518B
CN108455518B CN201810076852.7A CN201810076852A CN108455518B CN 108455518 B CN108455518 B CN 108455518B CN 201810076852 A CN201810076852 A CN 201810076852A CN 108455518 B CN108455518 B CN 108455518B
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extraction
extraction system
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extraction head
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CN108455518A (zh
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A·塞特利
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AS Stroemungstechnik GmbH
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    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0058—Details
    • B67D3/0061—Details of liquid containers, e.g. filling, emptying, closing or opening means
    • B67D3/0064—Dip tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0829—Keg connection means
    • B67D1/0841—Details
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
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    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0811—Details of beverage containers, e.g. casks, kegs provided with coded information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00028—Constructional details
    • B67D2210/00047—Piping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

本发明涉及一种提取系统(1)，其用于容器(2)，并且所述提取系统包括支承在所述容器(2)上的并且伸入到所述容器中的潜管(4)以及提取头(5)，所述提取头能够借助于旋转连接固定在所述潜管(4)上。固定在潜管(4)上的提取头(5)借助于机械的锁定单元紧固。

Description

提取系统
技术领域
本发明涉及一种提取系统。
背景技术
所述提取系统一般用于填充和排空容器、特别是桶，所述容器以液态化学物质填充。为了填充或者排空容器，容器具有潜管，所述潜管典型地支承在容器的顶部中并且从那里伸入到容器的内部空间中。为了实现将液体供应到容器中或者从容器中提取液体，在潜管上固定有提取头。所述提取头通过管路与泵连接，借助于所述泵将其液体泵入到容器中或者从所述容器中泵出。
由DE 10 2013 110 020 A1公知一种提取系统。在所述提取系统中，在提取头上设置开关，所述开关发出提取头在潜管上是否固定在额定位置上的信号。通过所述开关由此可以识别提取头在潜管上错误的固定并且通过报警信号或者诸如此类来通知。操作人员可以由此识别不充分的固定并且接着采取相应措施。
在这种提取系统中的一个问题在于，潜管和提取头之间开始正确的连接可能由于机械的干扰影响或者诸如此类而松动或者松脱，这不能通过这种开关而检测到或者当通过松动的密封可能使液体从容器中溢出时才被检测到。特别是当为了提取或者填充液体而使容器的提取系统与膜片式泵连接时，则担心出现这种干扰。所述膜片式泵产生振动，所述振动通过软管路系统或者管路系统传递至提取系统。由于所述振动可能使得提取头在潜管上的螺接松动。由此使所述连接的密封性变差并且液体可能不受控地溢出。为了消除这种故障，必须中断提取系统的运行并且重新正确地建立提取头和潜管之间的连接，这是费时的并且导致相应长的停机时间。
发明内容
本发明任务在于，提供一种开头所提及的类型的提取系统，所述提取系统在结构花费小的情况下具有提高的功能安全性。
本发明的特征设置用于解决该任务。本发明的有利的实施方式和符合目的的进一步方案在本发明的进一步的技术方案中说明。
本发明涉及一种提取系统，其用于容器，并且所述提取系统包括支承在容器上的并且伸入到所述容器中的潜管以及提取头，所述提取头能够借助于旋转连接固定在潜管上。固定在潜管上的提取头借助于机械的锁定单元紧固。
通过根据本发明的机械的锁定单元以简单的方式提高提取系统的功能安全性。机械的锁定单元将提取头在其固定位置中紧固在潜管上，由此确保，提取头在潜管上的固定能够不再由于外部的干扰影响而松脱。
特别是通过机械的锁定单元实现了，传递到提取系统上的振动不会导致提取头在潜管上的固定不受控地松脱，所述振动例如由用于将液体供应到容器中或者从容器中提取液体的膜片式泵引起
因此，通过作为用于提取系统的固定系统的、机械的锁定单元可靠地避免由于在提取头和潜管之间的接口上的泄漏导致的不期望的维修工作或者停机时间。由此，通过提取系统确保无干扰地从容器中提取液体或者将液体供应到容器中。
本发明的另一个重要的优点在于，机械的锁定单元纯机械地并且由此在无电子部件的情况下工作。因此，机械的锁定单元具有极其简单并且成本低廉的结构。此外，机械的锁定单元的结构具有鲁棒的并且因此防故障的结构。
根据本发明的一个有利的构型，机械的锁定单元具有操纵元件，所述操纵元件能够被引导到锁定位置中和释放位置中。在锁定位置中，操纵元件阻止提取头和潜管之间的旋转连接。在释放位置中，操纵元件释放提取头和潜管之间的旋转连接。
优选地，操纵元件能够沿着导向装置或者通常强制导向地在锁定位置和释放位置之间运动，由此能够以非常简单的方式对所述提取头在潜管上的固定进行紧固、特别是锁定或者在需要时释放，从而可以使所述固定松脱。进一步有利的是，通过两个确定的端部位置、即锁定位置和释放位置，对提取头在潜管上的固定进行的锁定和释放可以明确地预定并且在此也可以由操作人员简单地控制。
根据一个结构上有利的构型，操纵元件是滑移件，其中，所述滑移件能够沿着平行于潜管的纵向轴线延伸的轴线移动。
所述滑移件形成可简单操作的构件，此外，所述构件可以容易地并且成本低廉地制造。
根据一个特别有利的实施方式，机械的锁定单元具有与潜管固定地连接的锁定元件，所述锁定元件具有在潜管的周向方向上环绕地、离散地布置的凸出部。在锁定位置中，操纵元件紧固在一个凸出部上或者紧固在两个凸出部之间。
与操纵元件相互作用的锁定元件实现特别简单地和同时可靠地将提取头在其固定位置中紧固在潜管上。
此外有利的是，由操纵元件和锁定元件构成的机械的锁定单元形成模块化的系统，所述模块化的系统也可以加装在现有的提取系统上。
在此特别有利的是，锁定元件具有多个凸出部，所述凸出部在锁定位置中可以与操纵元件配合，以便紧固所述提取头在潜管上的固定。这尤其适用于提取头通过螺接固定在潜管上的情况。
在这种情况中，在提取头和潜管之间不存在明确的固定位置，更确切地说，所述固定位置与所述单元之间的螺接拧得多紧有关。与此相应地，操纵元件相对于锁定元件的相对位置也可以随着固定位置变化。
因为锁定元件具有多个凸出部，操纵元件可以根据固定位置紧固在恰好处于操纵元件的配合区域中的凸出部上。机械的锁定单元的灵活性还通过如下方式提高，当没有凸出部处于操纵元件的配合区域中时，则操纵元件也可以紧固、特别是位置紧固在两个凸出部之间。在此，操纵元件在两个相邻的凸出部之间较小的间隙是不重要的，因为在提取头和潜管之间对此允许的小的相对运动不会导致在所述单元之间的固定的松脱，以使得由此出现泄漏或者类似情况。
根据一个结构上有利的构型，构成操纵元件的滑移件在锁定位置中卡锁在一个凸出部上或者卡锁在两个凸出部之间的间隙中。
在此，滑移件具有包围空腔的壁元件，其中，空腔在滑移件的端侧通出。在滑移件的锁定位置中，凸出部伸入到滑移件的空腔中。
通过所述实施方式获得操纵元件在相应的凸出部上特别可靠的固定。
特别有利地，锁定元件具有环形段，所述环形段沿周向方向包围潜管。凸出部在环形段的外边缘在径向方向上通出。
这样构成的锁定元件具有简单的结构并且可以特别是作为成型件、例如作为塑料注射成型件合理地加强。
进一步有利地，凸出部相同地构造并且在环形段的周向方向上以相等的间距布置。
通过凸出部相同的构型确保，操纵元件能够以相同的方式卡锁在每个凸出部上。通过凸出部的相等的分布提供用于操纵元件的最大可能的锁定位置。
进一步有利地，在锁定元件上设置销钉，借助于所述销钉将锁定元件固定在潜管上。
给与潜管固定连接的锁定元件配置相对于可相对于所述锁定元件运动地支承的操纵元件。
在此有利地，操纵元件支承沿周向方向包围提取头的环形附件上。
符合目的地，为了将提取头固定在潜管上，环形附件螺接在潜管的接收部上。
由此实现一种用于将提取头固定并且紧固在潜管上的、模块化的能简单操纵的系统。
附图说明
下面根据附图说明本发明。附图：
图1示出具有提取系统的容器以及所配置的泵的示意图。
图2示出根据本发明的提取系统的立体图。
图3示出根据本发明的提取系统的局部剖面图。
图4示出具有在释放位置中的滑移件的、根据图2和3的提取系统的详细示图。
图5示出具有在锁定位置中的滑移件的、根据图2和3的提取系统的详细示图。
具体实施方式
图1示意性地示出容器2上的提取系统1。液体存放在容器2中。存放在所述容器2中的液体特别是液态的特定成分。
塞体3支承在容器2的顶部2a中的容器开口中。所述塞体3用于接收作为提取系统1的第一部件的潜管4。潜管4在竖直方向上延伸并且延伸直至靠近容器2的底部上方。
提取头5作为提取系统的另外的部件固定在潜管4的上端部上，其中，提取头5在潜管4上的固定通常以旋转连接方式、在所述情况中以螺旋连接方式构造。
管路系统6连接与提取头5连接，所述管路系统与泵7、例如膜片式泵连接。在提取头5固定在潜管4上时，能够借助于泵7通过管路系统6将液体从容器2中提取出。同样地能够将液体供应到容器2中。
图2和3示出根据本发明的提取系统1的一个实施例。
如同由图2和3可明显看出的那样，提取系统1的提取头5具有两个接头8a，8b，所述接头特别是用于连接管路系统6。头部件9通过螺旋连接固定在空心柱形的潜管4的上端部上。为此，潜管4和头部件9具有相应的螺纹10a，10b。头部件9是潜管4的组成部分，所述头部件旋转对称地构造并且具有平坦的上侧，所述上侧形成支承面9a。头部件9支承在容器开口中的塞体3中。
提取头5具有带有柱形的周面的基体5a，当提取头5固定在潜管4上时，所述基体的对称轴线与潜管4的对称轴线重合。基体5a的下部区域具有稍微更小的宽度。环形附件11和同样环形的锁定元件12作为提取头5的部件支承在那里，所述环形附件和所述环形的锁定元件包围基体5a的壳面。所述元件的对称轴线与提取头5的对称轴线重合。
支承在附件11下方的锁定元件12具有扁平的、在一个平面上延伸的环形段，所述环形段平放在潜管4的头部件9的支承面9a上。销钉13从锁定元件12的环形段的下侧突出。销钉13卡锁到头部件9的凹进部14中，所述凹进部在支承面9a通出(图3)。由此，锁定元件12与头部件9并且由此与潜管4固定地连接。
凸出部15在锁定元件12的环形段的外边缘通出，所述凸出部在环形段的平面上延伸。凸出部15相同地构造并且在锁定元件12的周向方向上分别以相对彼此相等的间距布置。
环形附件11具有环形体11a，凸出元件16在所述环形体在径向方向上通出(图2)。凸出元件16具有相应于锁定元件12的凸出部15的数量、布置和横截面轮廓。
如图3所示地，空心柱形的接头件17在环形体11a的下侧通出。空心柱形的接头件17具有外螺纹18，所述外螺纹与头部件9的内螺纹19配合。
锁定元件12借助于销钉13与潜管4固定地连接，而环形附件11能转动地被支承。通过环形附件11这样建立提取头5和潜管4之间的螺旋连接，以使得环形附件11以接头件17上的外螺纹18紧固地螺接在头部件9的内螺纹19上。
一旦实现这种紧固的螺接，提取头5就固定在潜管4上，并且环形附件11处于固定位置中。
为了紧固固定位置并且由此紧固提取头5和潜管4之间形成的螺旋连接，根据本发明设置操纵元件，所述操纵元件在所述情况中由滑移件20构成。操纵元件与锁定元件12一起构成机械的锁定单元。
如同特别是图2所示的那样，操纵元件支承在环形附件11的所述凸出元件16中的一个凸出元件上。
滑移件20由在其下侧敞开的空心体构成。包围滑移件20的空腔的壁元件如图2所示地与凸出元件16的外轮廓相匹配。滑移件20可以在轴向方向上在凸出元件16上移动，即在竖直方向上在构成释放位置的上方端部位置和构成锁定位置的下方端部位置之间移动。
在释放位置(图4)中，滑移件20处于锁定元件12上方。在滑移件20的所述释放位置中，环形附件11可以不受阻碍地相对于锁定元件12转动，特别是以便形成潜管4和提取头5之间的螺旋连接。
一旦建立潜管4和提取头5之间的螺旋连接，则仅仅通过如下方式紧固所述螺旋连接以防不期望的、特别是由于外部的干扰影响导致的打开，即将滑移件20转换到锁定位置中，这优选地手动进行。
在图5中所示的情况中，在借助于环形附件11建立螺旋连接之后，所述环形附件的凸出元件16准确地处于锁定元件12的凸出部15上方。在这种情况中，在将滑移件20转换到锁定位置中时，所述滑移件20以其空腔扣到处于所述滑移件下方的凸出部15上，从而滑移件20的下边缘包围凸出部15。由此，滑移件20卡锁在所述凸出部15上，由此锁定环形附件11和潜管4之间的螺旋连接，也就是说，提取头5不再能从潜管4不受控地松脱。当滑移件20向上移动到其释放位置中时，才又能够使螺旋连接松脱。
在图2中所示的情况中，在建立螺旋连接之后，环形附件11的凸出元件16相对于锁定元件12的凸出部15错开。当滑移件20移动到锁定位置中时，(如图2中所示地)所述滑移件处于两个凸出部15之间。由此，环形附件11仅仅还可以如同滑移件20能在所述凸出部15之间运动那样远的程度地转动。然而，所述小的运动自由度不足以使螺旋连接松脱，也就是说，在这种情况中，固定提取头5的螺旋连接也通过机械的锁定单元紧固以防不受控地打开。
附图标记列表
(1) 提取系统
(2) 容器
(2a) 顶部
(3) 塞体
(4) 潜管
(5) 提取头
(5a) 基体
(6) 管路系统
(7) 泵
(8a，8b) 接头
(9) 头部件
(9a) 支承面
(10a，10b) 螺纹
(11) 环形附件
(11a) 环形体
(12) 锁定元件
(13) 销钉
(14) 凹进部
(15) 凸出部
(16) 凸出元件
(17) 接头件
(18) 外螺纹
(19) 内螺纹
(20) 滑移件

Claims (12)

1.一种提取系统(1)，其用于容器(2)，所述提取系统具有支承在所述容器(2)上并且伸入到所述容器中的潜管(4)以及提取头(5)，所述提取头能够借助于旋转连接固定在所述潜管(4)上，其中，固定在所述潜管(4)上的提取头(5)借助于机械的锁定单元紧固，所述机械的锁定单元具有操纵元件，所述操纵元件能够被引导到锁定位置中和释放位置中，其中，在所述锁定位置中，所述操纵元件阻止提取头(5)和潜管(4)之间的旋转连接，在所述释放位置中，所述操纵元件释放提取头(5)和潜管(4)之间的旋转连接，以及所述机械的锁定单元具有与所述潜管(4)固定地连接的锁定元件(12)，所述锁定元件具有在所述潜管(4)的周向方向上环绕地、离散地布置的凸出部(15)，其中，在所述锁定位置中，所述操纵元件紧固在一个凸出部(15)上或者紧固在两个凸出部(15)之间。
2.根据权利要求1所述的提取系统，其特征在于，所述操纵元件是滑移件(20)。
3.根据权利要求2所述的提取系统，其特征在于，所述滑移件(20)能够沿着平行于所述潜管(4)的纵向轴线延伸的轴线移动。
4.根据权利要求1所述的提取系统，其特征在于，构成所述操纵元件的滑移件(20)在所述锁定位置中卡锁在一个凸出部(15)上或者卡锁在两个凸出部(15)之间的间隙中。
5.根据权利要求4所述的提取系统，其特征在于，所述滑移件(20)具有包围空腔的壁元件，其中，所述空腔在所述滑移件(20)的端侧通出；在所述滑移件(20)的锁定位置中，凸出部(15)伸入到所述滑移件(20)的空腔中。
6.根据权利要求1所述的提取系统，其特征在于，所述锁定元件(12)具有环形段，所述环形段沿周向方向包围所述潜管(4)；所述凸出部(15)在所述环形段的外边缘在径向方向上通出。
7.根据权利要求6所述的提取系统，其特征在于，所述凸出部(15)相同地构造并且在所述环形段的周向方向上以相等的间距布置。
8.根据权利要求6或7所述的提取系统，其特征在于，在所述锁定元件(12)上设置销钉(13)，借助于所述销钉将所述锁定元件(12)固定在所述潜管(4)上。
9.根据权利要求1至7中任一项所述的提取系统，其特征在于，所述操纵元件支承在沿周向方向包围所述提取头(5)的环形附件(11)上。
10.根据权利要求1至7中任一项所述的提取系统，其特征在于，所述提取头(5)通过螺接固定在所述潜管(4)上。
11.根据权利要求9所述的提取系统，其特征在于，为了将所述提取头(5)固定在所述潜管(4)上，所述环形附件(11)螺接在所述潜管(4)的接收部上。
12.根据权利要求1至7中任一项所述的提取系统，其特征在于，在提取头(5)固定在所述潜管(4)上的情况下，液体能够通过所述提取头从所述容器(2)中提取和注入所述容器中。
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