CN108150738A - A kind of sealing adaptor component and application for Medical air gas transport - Google Patents
A kind of sealing adaptor component and application for Medical air gas transport Download PDFInfo
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- CN108150738A CN108150738A CN201810145880.XA CN201810145880A CN108150738A CN 108150738 A CN108150738 A CN 108150738A CN 201810145880 A CN201810145880 A CN 201810145880A CN 108150738 A CN108150738 A CN 108150738A
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- jacket
- adapter assembly
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- sealing
- wall
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- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 21
- 239000010935 stainless steel Substances 0.000 claims description 21
- -1 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001871 ion mobility spectroscopy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 229940075473 medical gases Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
Classifications
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
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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
- 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
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
- F16L25/009—Combination of a quick-acting type coupling and a conventional one
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
本发明公开了一种用于医用气源气体传输的密封转接组件,由圆筒状夹套和圆筒形外套构成。医用气源气体出口管末端端口依次连接外套I、“o”圈、圆筒状夹套和外套II。圆筒状夹套内腔体直接螺合于医用气源气体出口管末端端口管外表面上。圆筒状夹套的外表面与外套内表面相螺合。外套两侧截面开有通孔I和II，外套II上通孔内含有内螺纹。外套II上通孔内螺纹可直接螺合快速接头，快速接头与聚四氟乙烯管一端连接；聚四氟乙烯管另一端设有用于密封的可插拔的连接堵头，或聚四氟乙烯管另一端与离子迁移谱气路连接管的一端相连接，为离子迁移谱仪器提供气源。整个密封转接组件在医用气体压力范围内耐压且不漏气。
The invention discloses a sealing adapter assembly for medical gas source gas transmission, which is composed of a cylindrical jacket and a cylindrical outer jacket. The end port of the medical gas source gas outlet pipe is connected to the jacket I, the "o" ring, the cylindrical jacket and the jacket II in sequence. The inner cavity of the cylindrical jacket is directly screwed on the outer surface of the port tube at the end of the medical gas source gas outlet tube. The outer surface of the cylindrical jacket is screwed with the inner surface of the jacket. Through-holes I and II are provided on both sides of the jacket, and the through-holes on the jacket II contain internal threads. The internal thread of the through hole on the jacket II can be directly screwed to the quick connector, and the quick connector is connected to one end of the PTFE tube; the other end of the PTFE tube is provided with a pluggable connection plug for sealing, or a PTFE tube The other end of the tube is connected to one end of the ion mobility spectrometer gas circuit connection tube to provide a gas source for the ion mobility spectrometer instrument. The entire sealed adapter assembly is pressure-resistant and airtight within the medical gas pressure range.
Description
技术领域technical field
本发明涉及一种用于医用气源气体传输的密封转接组件；医用气源气体可以经由此密封转接组件为离子迁移谱仪分析仪器提供稳定气源。整个密封转接组件耐压、不漏气。The invention relates to a sealed adapter assembly for medical gas source gas transmission; the medical air source gas can provide a stable gas source for an ion mobility spectrometer analysis instrument through the sealed adapter assembly. The entire sealed adapter assembly is pressure-resistant and airtight.
背景技术Background technique
医用气体为作用于病人或医疗器械的单一或混合成分气体，主要用于预防、诊断、治疗或麻醉中。医疗空气经压缩、净化的空气，由医用空气管道系统提供并作用于患者。主要成分是一定比例的氧和氮，并限定了污染物的浓度。医用气体压力一般为0.3-0.7MPa。Medical gases are single or mixed component gases that act on patients or medical devices, and are mainly used in prevention, diagnosis, treatment or anesthesia. Medical air Compressed and purified air is provided by the medical air pipeline system and acts on the patient. The main components are a certain proportion of oxygen and nitrogen, and the concentration of pollutants is limited. The pressure of medical gas is generally 0.3-0.7MPa.
离子迁移谱(Ion Mobility Spectrometry,IMS)技术为20世纪70年代出现的一种分离检测技术，与传统的质谱、色谱仪器相比，它具有结构简单，灵敏度高，分析速度快，结果可靠的特点，能够在大气环境中对微量物质进行检测，适于现场使用。其工作条件是在常压下，仪器运行气流流速总体小于2000sccm。总气流分为漂气和载气两部分，将协助样品热解析和分离检测。Ion Mobility Spectrometry (IMS) technology is a separation and detection technology that appeared in the 1970s. Compared with traditional mass spectrometry and chromatography instruments, it has the characteristics of simple structure, high sensitivity, fast analysis speed and reliable results. , can detect trace substances in the atmospheric environment, and is suitable for on-site use. Its working condition is that under normal pressure, the flow rate of the instrument's operating air flow is generally less than 2000 sccm. The total gas flow is divided into drift gas and carrier gas, which will assist the sample thermal analysis and separation detection.
发明内容Contents of the invention
一种用于医用气源气体传输的密封转接组件,所述医用气源气体出口圆管靠近出口端的管壁外表面沿径向设有环形突起，其特征在于：A sealed adapter assembly for medical gas source gas transmission, the outer surface of the tube wall near the outlet end of the medical gas source gas outlet round tube is provided with an annular protrusion along the radial direction, and is characterized in that:
包括一端密闭、另一端开口的圆筒状不锈钢外套I，于密闭端中部开设有圆形通孔I，于开口端的圆筒内壁面上设有内螺纹；It includes a cylindrical stainless steel jacket I with one end closed and the other end open, a circular through hole I is opened in the middle of the closed end, and an internal thread is provided on the inner wall of the cylinder at the open end;
还包括一端密闭、另一端开口的圆筒状不锈钢外套II，于密闭端中部开设有圆形通孔II，于开口端的圆筒外壁面上设有外螺纹；It also includes a cylindrical stainless steel jacket II with one end closed and the other end open, a circular through hole II is opened in the middle of the closed end, and an external thread is provided on the outer wall of the cylinder at the open end;
圆筒状夹套，于夹套中部的内壁面上沿径向设有环形凹槽；于环形凹槽至夹套一端面的夹套侧壁面上沿轴向开设有贯通内外壁面的狭缝；The cylindrical jacket has an annular groove in the radial direction on the inner wall of the middle part of the jacket; a slit through the inner and outer walls is provided in the axial direction on the side wall of the jacket from the annular groove to one end of the jacket;
医用气源气体出口圆管的出口端经圆形通孔I后从不锈钢外套I内部穿过；再从开有狭缝的夹套一端穿套于夹套内部，环形突起嵌套于环形凹槽内；夹套远离狭缝的一端从不锈钢外套II的开口端穿套至不锈钢外套II内部，夹套远离狭缝的一端与不锈钢外套II密闭端内壁面抵接，圆形通孔II位于环状抵接面内部；The outlet end of the medical gas source gas outlet round tube passes through the circular through hole I and then passes through the stainless steel jacket I; then it is put through the jacket from one end of the jacket with a slit, and the annular protrusion is nested in the annular groove Inside; the end of the jacket away from the slit passes through the opening end of the stainless steel jacket II to the inside of the stainless steel jacket II, and the end of the jacket away from the slit abuts against the inner wall of the closed end of the stainless steel jacket II, and the circular through hole II is located in the ring inside the abutment surface;
不锈钢外套I通过其上的内螺纹与不锈钢外套II上的外螺纹相螺合；于不锈钢外套II开口端与不锈钢外套I密闭端内壁面之间设有密封“o”圈。The stainless steel casing I is screwed with the external thread on the stainless steel casing II through the internal thread on it; a sealing "o" ring is provided between the open end of the stainless steel casing II and the inner wall surface of the closed end of the stainless steel casing I.
夹套为聚四氟乙烯夹套。狭缝为2-4条均匀分布于夹套外壁面上。The jacket is a polytetrafluoroethylene jacket. There are 2-4 slits evenly distributed on the outer wall of the jacket.
环形突起与环形凹槽的形状和尺寸相同，它们的形状为中空的宝塔形、或它们轴向截面为二个对称的三角形或梯形。The shape and size of the annular protrusion and the annular groove are the same, and their shape is a hollow pagoda, or their axial sections are two symmetrical triangles or trapezoids.
夹套外径与不锈钢外套II内径相等；夹套内径与医用气源气体出口圆管外径相等。The outer diameter of the jacket is equal to the inner diameter of the stainless steel jacket II; the inner diameter of the jacket is equal to the outer diameter of the medical gas source gas outlet tube.
圆形通孔II内壁面上设有内螺纹为快速接头连接口，其可直接螺合快速接头，快速接头与聚四氟乙烯管一端连接；聚四氟乙烯管另一端设有用于密封的可插拔的连接堵头，或聚四氟乙烯管另一端与离子迁移谱气路连接管的一端相连接，为离子迁移谱仪器提供气源。There is an internal thread on the inner wall of the circular through hole II as a quick connector connection port, which can be directly screwed into the quick connector, and the quick connector is connected to one end of the PTFE tube; the other end of the PTFE tube is provided with a seal for sealing The plug-in connection plug, or the other end of the polytetrafluoroethylene tube is connected to one end of the ion mobility spectrometer gas circuit connection tube to provide a gas source for the ion mobility spectrometer instrument.
医用气源气体出口圆管连接本发明中的密封转接组件，整个密封转接组件耐压、不漏气。The medical gas source gas outlet circular tube is connected to the sealing adapter assembly of the present invention, and the entire sealing adapter assembly is pressure-resistant and airtight.
本发明的优点如下：The advantages of the present invention are as follows:
1.医用气源气体出口管末端端口结构可直接与本发明中设计的圆筒状夹套密封转接组件相螺合，圆筒状夹套内部和表面的特殊设计保证了整个结构的匹配，保证本密封转接组件将医用气源气体传输接口转换，可直接与离子迁移谱分析仪相连接。1. The end port structure of the medical gas source gas outlet pipe can be directly screwed with the cylindrical jacket seal adapter assembly designed in the present invention. The special design of the interior and surface of the cylindrical jacket ensures the matching of the entire structure. It is ensured that the sealed adapter assembly converts the gas transmission interface of the medical gas source and can be directly connected with the ion mobility spectrometer.
2.本发明中的密封转接组件可以耐压，在医用气体压力0.3-0.7MPa范围内，能够正常使用。2. The sealing adapter assembly in the present invention can withstand pressure, and can be used normally within the range of medical gas pressure 0.3-0.7MPa.
3.本发明中的密封转接组件可以起到密封作用，医用气体压力一般为0.3-0.7MPa，此范围内传输气体不漏气。3. The sealing adapter assembly in the present invention can play a sealing role. The pressure of medical gas is generally 0.3-0.7 MPa, and the transmission gas within this range does not leak.
4.本发明中的密封转接组件结构简单、使用方便。无需复杂的专业工具操作。4. The sealing adapter assembly in the present invention is simple in structure and easy to use. No complex professional tools are required for operation.
5.本发明中的密封转接组件加工难度易于实现，性价比高易于医疗领域广泛应用和推广。5. The sealing adapter assembly in the present invention is difficult to process and easy to realize, and has high cost performance and is easy to be widely used and popularized in the medical field.
附图说明Description of drawings
下面结合附图进一步详细描述。Further detailed description below in conjunction with accompanying drawings.
图1，医用气源气体出口管末端端口管与密封转接组件连接示意图；Figure 1, a schematic diagram of the connection between the port tube at the end of the medical gas source gas outlet tube and the sealing adapter assembly;
图2，整个密封转接组件外观结构示意图；Figure 2, a schematic diagram of the appearance and structure of the entire sealing adapter assembly;
图3，整个密封转接组件剖面结构示意图；Figure 3, the schematic diagram of the cross-sectional structure of the entire sealing adapter assembly;
图1-3中，1为医用气源气体出口管末端端口管；2为不锈钢外套I；3为不锈钢外套II；4为圆筒状聚四氟乙烯夹套；5为快速接头连接口；6为“o”圈；7为医用气源气体流通方向。In Fig. 1-3, 1 is the end port pipe of the medical gas source gas outlet pipe; 2 is the stainless steel jacket I; 3 is the stainless steel jacket II; 4 is the cylindrical polytetrafluoroethylene jacket; 5 is the quick connector connection port; 6 is the "o" circle; 7 is the gas flow direction of the medical gas source.
具体实施方式Detailed ways
一种用于医用气源气体传输的密封转接组件,由圆筒状聚四氟乙烯夹套和圆筒形不锈钢外套构成。医用气源气体出口管末端端口1依次连接不锈钢外套I2、密封“o”圈6、圆筒状聚四氟乙烯夹套4和不锈钢外套II3。The utility model relates to a sealing adapter assembly for medical gas source gas transmission, which is composed of a cylindrical polytetrafluoroethylene jacket and a cylindrical stainless steel jacket. The terminal port 1 of the medical gas source gas outlet pipe is sequentially connected to the stainless steel jacket I2, the sealing "o" ring 6, the cylindrical polytetrafluoroethylene jacket 4 and the stainless steel jacket II3.
圆筒状夹套内筒结构直接螺合于医用气源气体出口管末端端口管外表面上。圆筒状四氟夹套的外表面与不锈钢外套内表面相螺合。不锈钢外套两侧截面开有通孔I和II，不锈钢外套II上通孔内含有内螺纹为快速接头连接口5。锈钢外套II上通孔内螺纹可直接螺合快速接头(日本原装SMC品牌，型号为KQ2L04-M5N)，医用气源气体由快速接头通孔流出。The inner cylinder structure of the cylindrical jacket is directly screwed on the outer surface of the port pipe at the end of the medical gas source gas outlet pipe. The outer surface of the cylindrical PTFE jacket is screwed with the inner surface of the stainless steel jacket. There are through holes I and II in the cross section of both sides of the stainless steel jacket, and the through hole on the stainless steel jacket II contains an internal thread for the quick connector connection port 5 . The internal thread of the through hole on the stainless steel jacket II can be directly screwed to the quick connector (original Japanese SMC brand, model KQ2L04-M5N), and the medical gas source gas flows out through the through hole of the quick connector.
实施例1Example 1
对本发明中的密封转接组件做耐压测试，医用气体压力使用压力表调控在0.5MPa；密封转接组件一端连接的快速接头与聚四氟乙烯管一端连接，聚四氟乙烯管另一端连接压力表，密封转接组件能够耐压、正常使用不漏气。Do a pressure test on the sealing adapter assembly in the present invention, and use a pressure gauge to control the pressure of the medical gas at 0.5 MPa; the quick joint connected to one end of the sealing adapter assembly is connected to one end of the polytetrafluoroethylene tube, and the other end of the polytetrafluoroethylene tube is connected to The pressure gauge and the sealed adapter assembly can withstand pressure and be airtight in normal use.
实施例2Example 2
对本发明中的密封转接组件做密封测试，医用气体压力使用压力表调控在0.2MPa；密封转接组件一端连接的快速接头与聚四氟乙烯管一端连接，聚四氟乙烯管另一端连接可插拔的堵头，此种状态密封转接组件不漏气。Do a sealing test on the sealing adapter assembly in the present invention, the pressure of the medical gas is regulated at 0.2MPa with a pressure gauge; the quick joint connected to one end of the sealing adapter assembly is connected to one end of the polytetrafluoroethylene tube, and the other end of the polytetrafluoroethylene tube can be connected The plug is plugged in and out, and the sealing adapter assembly in this state does not leak.
实施例3Example 3
对本发明中的密封转接组件做密封测试，医用气体压力使用压力表调控在0.5MPa，密封转接组件一端连接的快速接头连接聚四氟乙烯管，通过连接质量流量计控制气体输出2000sccm，此种状态密封转接组件不漏气，能够正常传输气体，供离子迁移谱分析仪。Do a sealing test on the sealing adapter assembly in the present invention. The pressure of the medical gas is regulated at 0.5MPa using a pressure gauge. In this state, the sealed adapter assembly is airtight and can transmit gas normally for the ion mobility spectrometer.
本发明中的密封转接组件不限于上述实施例，本领域技术人员根据本发明的揭示，对于本发明做出的改进和修改都在本发明专利的保护范围之内。The sealing adapter assembly in the present invention is not limited to the above-mentioned embodiments. Improvements and modifications made by those skilled in the art according to the disclosure of the present invention are within the protection scope of the patent of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145880.XA CN108150738A (en) | 2018-02-12 | 2018-02-12 | A kind of sealing adaptor component and application for Medical air gas transport |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145880.XA CN108150738A (en) | 2018-02-12 | 2018-02-12 | A kind of sealing adaptor component and application for Medical air gas transport |
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| CN108150738A true CN108150738A (en) | 2018-06-12 |
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| CN201810145880.XA Pending CN108150738A (en) | 2018-02-12 | 2018-02-12 | A kind of sealing adaptor component and application for Medical air gas transport |
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Application publication date: 20180612 |