CN100507326C - 压缩气缸耦合接头 - Google Patents

压缩气缸耦合接头 Download PDF

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CN100507326C
CN100507326C CNB2005800153379A CN200580015337A CN100507326C CN 100507326 C CN100507326 C CN 100507326C CN B2005800153379 A CNB2005800153379 A CN B2005800153379A CN 200580015337 A CN200580015337 A CN 200580015337A CN 100507326 C CN100507326 C CN 100507326C
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coupling
connector
compressed air
spring
coupled connections
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CN1961171A (zh
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彼得·卡多
彼得·克林
托马斯·库巴
沃夫甘·韦伯
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MSA Europe GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/037—Quick connecting means, e.g. couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0139—Fuel stations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/02—Applications for medical applications
    • F17C2270/025—Breathing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87925—Separable flow path section, valve or closure in each
    • Y10T137/87941—Each valve and/or closure operated by coupling motion
    • Y10T137/87949—Linear motion of flow path sections operates both
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87925—Separable flow path section, valve or closure in each
    • Y10T137/87965—Valve- or closure-operated by coupling motion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Lift Valve (AREA)

Abstract

本发明涉及一种压缩气体气缸(2)耦合接头，该接头包括一个可螺纹拧入气缸阀(1)上的标准安装件(3)的单独的耦合零件(12)。与减压器(6)的耦合装置(7)的连接或类似连接由插塞一插孔型连接装置提供，该插塞一插孔型连接装置可通过锁定部件相互插入、互锁和隔离，从而防止外部污染，耦合零件提供的锁定部件同时形成放气保护，在未耦合连接情况下，当气缸阀门打开，其只允许有限的气流流出。

Description

压缩气缸耦合接头
本发明涉及一种压缩气体气缸耦合接头，其将气缸阀上的标准安装件与用于压缩空气呼吸设备的用户端、歧管或充气站的耦合装置连接。
用于压缩空气呼吸系统的压缩空气气缸包括一个气缸阀内的安装件，其通常垂直于压缩空气气缸的纵向轴线并具有一个内螺纹。具有这种安装件的压缩空气气缸是标准化限定的并且不能被更改。因为当气缸安装件或外螺纹耦合件或可用手轮旋转的减压器的歧管与装满的气缸对接时，尤其在设备正在使用而气缸不得不快速替换时容易堵塞，因此将压缩空气气缸连接到，例如，一个压缩空气呼吸设备的减压器或歧管可能会有困难。完成螺纹连接会比平常用更多的时间。此外，例如在消防等操作环境下，这种连接不能确保是安全和不漏气的。除了安全方面的风险外，如果连接是漏气的，当气缸阀打开时，在高压下冲出的气体可能损坏垫圈或气缸安装件。
本发明的目的在于在压缩气体气缸的标准内螺纹的基础上开发一种耦合接头，该耦合接头即使在困难的操作环境下，易于实现简单、快速和安全的压缩空气气缸和用户端的耦合连接，并在不连接时提供安全的操作。
根据本发明，上述发明目的可以通过一种用于压缩空气气缸的耦合接头来实现，其用于连接压缩空气气缸与耦合装置，该耦合装置可连接于用于压缩空气呼吸设备的用户端，如歧管或充气站，其中压缩空气气缸包括一个带有标准安装件的气缸阀，并且其中该耦合接头包括一个单独的耦合零件，该耦合零件可螺纹拧入或拧在压缩空气气缸的安装件上，并能通过由该耦合零件和耦合装置提供的插塞—插孔连接与用户端耦合连接，其中包括，位于耦合零件上的锁止球和在未耦合连接时提供防污染保护的弹簧加载锁定环以及在耦合连接时用于所述插塞—插孔连接的位于耦合装置上的弹簧加载盖和锁止槽。其中，耦合零件包括位于挡圈中的插塞，在挡圈和插塞之间留出一个环形间隙。该弹簧加载锁定环位于该环形间隙中，并在未耦合连接的情况下被限定在插塞和挡圈之间，从而在压缩空气气缸被打开时限制溢出的气体流量，由此弹簧加载锁定环在未耦合连接时提供放气保护。
本发明的思想是提供一个单独的耦合零件，该耦合零件插入到压缩气体气缸和，例如，压缩气体呼吸设备的减压器之间，该耦合零件能螺纹拧入压缩空气气缸的标准安装件，并如本实例中利用栓和插孔连接装置将其与减压器快速、安全的连接。尤其在替换正在使用的压缩空气呼吸设备的压缩空气气缸时，这种耦合接头是非常有利的，因为这种连接只需要将两个插塞—插孔型的部件插在一起就能完成。这种插塞和插孔的连接设计使弹簧加载锁紧部件位于两个耦合部件的开口侧，当部件没有耦合时，其覆盖在耦合侧面，因此可以防止污染并始终确保一种安全的耦合过程。当部件耦合时，耦合部件各自沿轴线方向移动对方的锁定部件，从而打开气体通道。位于耦合零件上并连接到压缩气体气缸的锁定部件，同时可用于放气保护，因为，当在气缸阀无意被打开且气缸没有耦合连接时，少量的压缩气体气流通过弹簧加载锁定元件流出，其能防止由于气体突然高速突然地溢出所产生的事故。两个耦合部件进一步包括锁定插塞和插孔连接的锁止装置，并通过耦合部件上的执行机构的手动旋转和推压动作完成互锁，从而这种插塞插孔连接不能自动解锁。由于这种插塞插孔连接的设计结合了锁定和锁止部件，因此本发明的耦合接头满足了高标准的安全和快速的连通性的要求。
从属权利要求进一步描述了本发明的技术特征和优选实施例。
下面对本发明的一个实施例结合附图作更详细的说明。其中
图1是压缩空气气缸与压缩空气呼吸设备的减压器间的耦合接头的分解侧视图；
图2表示图1中压缩空气气缸和减压器间处于安装状态但还未耦合连接的耦合接头；
图3是未耦合时耦合接头各部件的剖视图；
图4是操作情况下连接接头各部件的剖视图
根据图1和2，压缩空气气缸2的气缸阀1包含带有内螺纹4的典型安装件3。一个带有倒钩管8的耦合装置7被螺纹拧入减压器6的螺纹孔5。倒钩管8包含一个受到螺旋压缩弹簧9作用的盖10，当不与压缩空气气缸2连接时，所述盖10与垫圈11结合在减压器6没有连接到压缩气体空气2时保护减压器6不被污染。用于连接安装件3和倒钩管8的耦合零件12包括一个螺套13，该螺套可通过手轮14被螺纹拧入安装件3。如图3所示，安装件3内的密封由垫圈15提供。耦合零件12包括一个形成于空气通道孔16中的插塞17，该插塞17与挡圈18间形成一个环形间隙19。当不与倒钩管8耦合连接时，环形间隙19被锁定环21封闭，该锁定环受到螺旋压缩弹簧20的作用并减少了被污染的危险。该弹簧加载锁定环21与插塞17一起还形成了一种放气保护，其在未耦合情况下，当不小心打开气缸阀1时，使气体溢出的流量限制在51/min，并因此减少了事故风险，并且如果需要，进一步使耦合零件12能够与受压的压缩空气气缸2断开耦合连接。如图4所示，耦合零件12与倒钩管8处于耦合—插入状态。插塞17在倒钩管8的空气通道孔22中克服螺旋压缩弹簧9的作用将盖10向后压，同时倒钩管8克服于螺旋压缩弹簧20的作用将锁定环21向相反的方向按压。从而当气缸阀1被打开时，其为压缩空气从压缩空气气缸2到减压器6打开了通道。如图4所示，倒钩管8通过限定在手轮14内圆周上的锁止球23和环绕在倒钩管8外圆周上的锁止槽被锁定在耦合零件12内。使用者需采取两个后续的动作来释放锁止球23以使耦合零件12和连接于减压器6上的倒钩管8脱开，即旋转设于枢轴上的手轮14，接着将手轮14沿连接到耦合件12螺旋压缩弹簧24的的压缩方向进行推压。
小且易操作的耦合零件12能以一种快速、简单和安全的方式连接到压缩空气气缸2并与其保持连接。在配备有耦合零件12的压缩空气气缸2与减压器6的连接中，将歧管等类似部件装配于各自的倒钩管8是非常简单的，并不需花费太多时间。为了使已经很简单的耦合零件12和倒钩管8的插入结合变得更简单，两个部件可包括相匹配的插入斜面。此外，在压缩空气气缸2和减压器6间，或更精确地说是在耦合零件12和倒钩管8间，可执行一个旋转运动。当利用锁止球23锁定时，这种插塞和插孔的连接不能自行脱开，使用者需通过上述两个单手手动运动，也就是旋转手轮14和将其纵向移动来解锁。倒钩管8和耦合零件12分别通过锁定环21和盖10来防止被污染。另一方面，弹簧加载锁紧环21能在仅当非耦合情况下不小心打开气缸阀1时，使空气缓慢溢出，其能防止事故发生，并使耦合零件12即使在压缩空气气缸仍装满压缩空气时也能被拆下。
本发明不限于以上描述的实施例。例如，也可以是将倒钩管连接到压缩气体气缸，而将耦合零件连接到减压器。
附图标记列表
1     气缸阀
2     压缩空气气缸
3     2的安装件
4     3的内螺纹
5     6的螺孔
6     减压器，歧管或类似的
7     6的耦合装置
8     倒钩管
9     8的螺旋压缩弹簧
10    8的盖
11        8的垫圈
12        耦合零件
13        12的螺套
14        手轮
15        13的垫圈
16        12的空气通道孔
17        12的插塞
18        12的挡圈
19        17/18间的环形间隙
20        16中的螺旋压缩弹簧
21        锁定环
22        8的空气通道孔
23        锁止球
24        14的螺旋压缩弹簧
25        锁止槽

Claims (7)

1、一种用于压缩空气气缸的耦合接头，其用于连接压缩空气气缸(2)与耦合装置(7)，该耦合装置可连接于用于压缩空气呼吸设备的用户端(6)，
其中压缩空气气缸(2)包括一个带有标准安装件(3)的气缸阀(1)，
并且其中该耦合接头包括一个单独的耦合零件(12)，该耦合零件可螺纹拧入压缩空气气缸(2)的安装件(3)上，并能通过由该耦合零件(12)和耦合装置(7)提供的插塞—插孔连接与用户端(6)耦合连接，其中包括，位于耦合零件(12)上的锁止球(23)和在未耦合连接时提供防污染保护的弹簧加载锁定环(21)以及在耦合连接时用于所述插塞—插孔连接的位于耦合装置(7)上的弹簧加载盖(10)和锁止槽(25)，
其中，耦合零件(12)包括位于挡圈(18)中的插塞(17)，在挡圈(18)和插塞(17)之间留出一个环形间隙(19)，
其特征在于，该弹簧加载锁定环(21)位于该环形间隙中，并在未耦合连接的情况下被限定在插塞(17)和挡圈(18)之间，从而在压缩空气气缸(2)被打开时限制溢出的气体流量，由此弹簧加载锁定环(21)在未耦合连接时提供放气保护。
2、如权利要求1所述的耦合接头，其特征在于，耦合装置(7)包括一个用于所述插塞—插孔连接的中空的倒钩管(8)，其外壁在耦合连接情况下被导入耦合零件(12)中的插塞(17)和挡圈(18)之间，并通过耦合零件(12)中的锁止球(23)被锁定在锁止槽(25)中。
3、如权利要求2所述的耦合接头，其特征在于，锁止球(23)与位于耦合零件(12)外圆周上的手轮(14)连接，使得该手轮(14)可转动并可以沿压缩螺旋压缩弹簧(24)的方向轴向移动，从而旋转和移动所述手轮(14)可释放所述锁止球(23)。
4、如权利要求1所述的耦合接头，其特征在于，倒钩管(8)包括锁定部件，该锁定部件包括在其自由末端的弹簧加载盖(10)，在未耦合连接的情况下通过螺旋压缩弹簧(9)的作用将该弹簧加载盖限定在垫圈(11)中，而在耦合连接情况下，其通过耦合零件(12)中的插塞(17)的作用移入到倒钩管(8)中，从而打开气体通道。
5、如权利要求1所述的耦合接头，其特征在于，位于环形间隙(19)中的弹簧加载锁定环(21)，在未耦合连接情况下通过螺旋压缩弹簧(20)的作用被限定，以用于放气保护和防污染保护，而在耦合连接情况下，该锁定环通过耦合装置(7)上的倒钩管(8)的作用移出环形间隙，从而彻底打开气体通道。
6、如权利要求1所述的耦合接头，其特征在于，耦合装置(7)被设计成一个单独的部件并能与用户端螺纹结合。
7、如上述任一权利要求所述的耦合接头，其特征在于，耦合零件(12)和具有倒钩管(8)的耦合装置(7)，两者中的任意一个连接到压缩气体气缸(1)，而另一个连接到用户端(6)。
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