CN103063379B - Air leakage detection device for infusion tube - Google Patents
Air leakage detection device for infusion tube Download PDFInfo
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- CN103063379B CN103063379B CN201210550208.1A CN201210550208A CN103063379B CN 103063379 B CN103063379 B CN 103063379B CN 201210550208 A CN201210550208 A CN 201210550208A CN 103063379 B CN103063379 B CN 103063379B
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Abstract
The invention discloses a kind of gas leak detection device, arrange on the table, detect the gas leakage of woven hose for realizing, it is characterized in that, it comprises: hermetic unit (1), and it is arranged on worktable one end, for the sealing to woven hose syringe needle ventilation end; Clamping part (2), it is arranged in the middle part of worktable, fastens woven hose to be detected for adding, and its position in testing process is fixed; Gas delivery part (3), it is arranged on the worktable other end, and the other end gas transmission for the relative pillow to woven hose is pressurizeed; After ventilation pressurize a period of time, by measuring overpressure change, the detection whether woven hose is leaked gas can be completed.Gas leak detection device operation of the present invention is compact, and efficiency comparatively manual operation is higher, and compares manual operations, reduces the pollution of woven hose; Pneumatic control circuit is adopted to pressurize to woven hose, and test pressure size, decrease the possibility of artificial erroneous judgement, improve performance accuracy.
Description
Technical field
The present invention relates to a kind of air leakage detection device for infusion tube, belong to medical equipment production equipment field.
Background technology
The production run of one-time infusion tube is first material loading and puts into leakage testing device, and after being completed, more manually winding woven hose becomes prescribed form, puts into the packaging bag made, is then undertaken unifying sealing operation by special messenger, and case.
Current woven hose gas leakage detection adopts manually to carry out.Detection woven hose leaks gas, and by manually putting into proving installation, manually blocks test one end, other end ventilation pressurize 4-5 second, by rain glass, by this part of artificial judgment sealing and choose.
Current woven hose gas leakage detects exists following shortcoming and defect: (1) is due to whole process employing manual operation, therefore production efficiency is very low; (2) by manually detecting gas leakage part, being determined by the experience of operator to a great extent, having the very highland property judged by accident; (3) manual operations easily encloses germ, often will carry out strict sterilization to packer, will operate simultaneously, need consume a large amount of energy and production space in huge sterile purification workshop.
Summary of the invention
The object of the invention is manually to leak gas the shortcoming detected for existing one-time infusion tube, a kind of device that automatically can complete woven hose gas leakage and detect is provided, solves the problem that manual detection accuracy rate is not high, efficiency is lower existed at present.
Realize a kind of gas leak detection device of the object of the invention, it is arranged on the table, and detect the gas leakage of woven hose for realizing, it is characterized in that, it comprises:
Hermetic unit, it is arranged on worktable one end, for the sealing to woven hose syringe needle ventilation end;
Clamping part, it is arranged in the middle part of worktable, for clamping woven hose to be detected, its position in testing process is fixed;
Vent portion, it is arranged on the worktable other end, for the other end ventilation pressurization of the relative syringe needle to woven hose;
After ventilation pressurize a period of time, by measuring the change of transfusion overpressure, the detection whether woven hose is leaked gas can be completed.
As a further improvement on the present invention, described vent portion comprises solenoid electric valve, tracheae and cylinder, wherein, described tracheae one end is communicated with source of the gas by solenoid electric valve, the other end is arranged on the piston rod of cylinder, the piston movement of described cylinder, the ventilation end of the port and woven hose that promote the tracheae on its piston rod is communicated with, pressurization of can ventilating in woven hose.
As a further improvement on the present invention, described vent portion also comprises the retaining valve be arranged on tracheae, for ensureing that air-flow one direction passes into woven hose.
As a further improvement on the present invention, described vent portion also comprises the pressure transducer being arranged on woven hose end, for measuring transfusion overpressure size.
As a further improvement on the present invention, described tracheae is multiple, and ventilating to hold with multiple woven hose is respectively communicated with, and realizes detecting ventilation while multiple woven hose.
As a further improvement on the present invention, described hermetic unit comprises revolution clamping cylinder, the piston rod end of this revolution clamping cylinder is provided with seal plug, when performing sealed clamping, revolution clamping cylinder 90-degree rotation, its piston rod moves downward, and seal plug blocks the syringe needle ventilation end of woven hose, realizes the sealing of woven hose ventilation end.
As a further improvement on the present invention, described revolution clamping cylinder is multiple, for sealing while multiple woven hose syringe needle ventilation end, realizes sealing detection while multiple woven hose.
As a further improvement on the present invention, described clamping part gas pawl, this gas pawl is multiple, and the length direction respectively along woven hose is arranged on the table, is clamped by woven hose body for segmentation.
As a further improvement on the present invention, described gas pawl is many groups, and often the multiple gas pawls organized in gas pawl complete the clamping to a woven hose, thus realizes detecting clamping while multiple woven hose.
Hermetic unit of the present invention mainly contains revolution clamping cylinder, woven hose needle portion is sealed, can not leak gas when making it pressurize; Clamping part utilizes three exhaust pawls, catches three positions of woven hose respectively, fixing woven hose; The gas delivery part of packaging type solenoid electric valve, retaining valve, pressure transducer, cylinder and tracheae constituent apparatus, carries out pressurization to woven hose and detects.
Device operation of the present invention is compact, and efficiency comparatively manual operation is higher, and compares manual operations, reduces the pollution of woven hose; Pneumatic control circuit is adopted to pressurize to woven hose, and test pressure size, decrease the possibility of artificial erroneous judgement, improve performance accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gas leak detection device of the embodiment of the present invention;
Fig. 2 is the structural representation of the hermetic unit of the gas leak detection device of the embodiment of the present invention;
Fig. 3 is the structural representation of the clamping part of the gas leak detection device of the embodiment of the present invention;
Fig. 4 is the structural representation of the vent portion of the gas leak detection device of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail; following examples are only indicative; not forming is limitation of the invention, all not departing from the amendment or modification done under Spirit Essence of the present invention, all belongs to protection scope of the present invention.
As shown in Figure 1, the gas leak detection device of the embodiment of the present invention comprises hermetic unit 1, clamping part 2 and gas delivery part 3.Wherein, hermetic unit 1 is for completing the sealing to woven hose syringe needle ventilation end, clamping part 2 fastens woven hose for adding, and ensure that woven hose is fixed in its position on test table of whole test process, gas delivery part 3 is for pressurizeing to the gas transmission of the woven hose other end.After ventilation pressurize a period of time, whether leak gas by measuring overpressure change detection woven hose.
As shown in Figure 2, hermetic unit 1 comprises revolution clamping cylinder 11, the piston rod end of this revolution clamping cylinder 11 is provided with seal plug, when performing sealed clamping, cylinder 11 90-degree rotation, piston rod moves downward, and seal plug blocks the syringe needle ventilation end of woven hose, realize, by the sealing of woven hose ventilation end, ensureing that woven hose can only one end ventilation.Revolution clamping cylinder 11 lower end is fixed on work test board by a mounting flange 12.
Revolution clamping cylinder 11 can be many groups, for carrying out shutoff to multiple woven hose respectively simultaneously simultaneously.
As shown in Figure 3, clamping part 2 is gas pawl 21, and gas pawl 21 is multiple, and the length direction respectively along woven hose is arranged on test table, and woven hose body clamps for segmentation by it.During work, actuating cylinder promotes each gas pawl 21 and clamps woven hose, thus makes it maintain static.
Gas pawl 21 can be many groups, and many groups of revolution clamping cylinders 11 of corresponding hermetic unit 1, to realize respectively being fixedly clamped to multiple woven hose simultaneously.
Gas pawl 21 in the present embodiment is distributed as 3 along the length direction of woven hose, to clamp three positions before, during and after woven hose respectively, when ensureing woven hose ventilation, can not move to some extent because of the effect of pressure.Also can be other any number.
As shown in Figure 4, vent portion 3 comprises packaging type solenoid electric valve 31, retaining valve 32, pressure transducer 33, tracheae 34 and cylinder 35, said elements composition pneumatic circuit.
Tracheae 34 one end is communicated with source of the gas by solenoid electric valve 31, the other end is arranged on the piston rod of cylinder 35, tracheae 34 is provided with retaining valve 32, the piston movement of cylinder 35, tracheae 34 port promoted on the piston rod of cylinder 35 is communicated with the ventilation end of woven hose, pressurization of can ventilating in woven hose.Retaining valve 32 ensures that airflow direction is a direction, in case in pressure maintaining period, and back flow of gas.Woven hose end is provided with pressure transducer 33, is used for measuring the transfusion overpressure size in pressure maintaining period.
Correspondingly, tracheae 34 can have many, can be used for being communicated with the ventilation end of multiple woven hose to be detected respectively, while realizing multiple woven hose, ventilation detects, pressure transducer 33 and retaining valve 32 is corresponding also can be many groups, solenoid electric valve 31 can for there being the integrated form solenoid electric valve of multiple interface.
Preferably be specifically described for one group of four woven hose in the present embodiment.First, four woven hoses are vented pawl 21 segmentation by four group three and fix woven hose on test board, then utilize four revolution clamping cylinders 11 to realize the sealing of each woven hose ventilation end respectively.After woven hose is fixing, four revolution clamping cylinders 11 90-degree rotation separately, its piston rod declines, and is blocked respectively by the blow vent of each woven hose.The other end of woven hose is ventilation end, and the pistons end of cylinder 35 is strip, and end has four apertures, and the gas transmission end of four tracheaes 34 is communicated with an aperture respectively, and piston movement makes aperture and woven hose ventilate to hold and be communicated with, just can gas transmission to each woven hose.Be pressurized to about 0.6MPa by ventilation, stop ventilation, utilize one-way control valve 31 to control pressure directions, ventilation pressurize 5 seconds, and record measured pressure in each woven hose respectively by each pressure transducer 33, pressure is descender not, be then specification product, otherwise be defective.
Claims (1)
1. a gas leak detection device, arrange on the table, detect the gas leakage of woven hose for realizing, it is characterized in that, this gas leak detection device comprises:
Hermetic unit (1), it is arranged on worktable one end, for sealing woven hose syringe needle ventilation end, sealing part (1) comprises revolution clamping cylinder (11), the piston rod end of this revolution clamping cylinder (11) is provided with seal plug, when performing sealed clamping, revolution clamping cylinder (11) rotates, the seal plug on piston rod is made to block the syringe needle ventilation end of woven hose, realize the sealing of woven hose ventilation end, described revolution clamping cylinder (11) is for multiple, for sealing while multiple woven hose syringe needle ventilation end, realize sealing detection while multiple woven hose,
Clamping part (2), it is arranged in the middle part of worktable, for clamping woven hose to be detected, its position in testing process is fixed, described clamping part (2) is gas pawl (21), this gas pawl (21) is for multiple, length direction respectively along woven hose is arranged on the table, for segmentation, woven hose body is clamped, described gas pawl (21) is many groups, often the multiple gas pawls (21) organized in gas pawl (21) complete the clamping to a woven hose, thus realize detecting clamping while multiple woven hose;
Vent portion (3), it is arranged on the worktable other end, for the other end ventilation pressurization of the relative syringe needle to woven hose, this vent portion (3) comprises solenoid electric valve (31), tracheae (34) and cylinder (35), wherein, described tracheae (34) one end is communicated with source of the gas by solenoid electric valve (31), the other end is arranged on the piston rod of cylinder (35), the piston movement of described cylinder (35), the port of tracheae (34) promoted on described piston rod is communicated with the ventilation end of woven hose, can to ventilate in woven hose pressurization, described tracheae (34) is for multiple, ventilate to hold with multiple woven hose respectively and be communicated with, realize detecting ventilation while multiple woven hose,
After ventilation pressurize a period of time, by measuring the change of transfusion overpressure, the detection whether woven hose is leaked gas can be completed;
Described vent portion (3) also comprises the retaining valve (32) be arranged on tracheae (34), for ensureing that air-flow one direction passes into woven hose, and be arranged on the pressure transducer (33) of woven hose end, for measuring transfusion overpressure size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550208.1A CN103063379B (en) | 2012-12-17 | 2012-12-17 | Air leakage detection device for infusion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550208.1A CN103063379B (en) | 2012-12-17 | 2012-12-17 | Air leakage detection device for infusion tube |
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| CN103063379A CN103063379A (en) | 2013-04-24 |
| CN103063379B true CN103063379B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210550208.1A Active CN103063379B (en) | 2012-12-17 | 2012-12-17 | Air leakage detection device for infusion tube |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634519A (en) * | 2013-11-08 | 2015-05-20 | 上海康德莱企业发展集团股份有限公司 | Leakage plugging detector for infusion sets |
| CN103616147A (en) * | 2013-11-21 | 2014-03-05 | 宁波索普橡塑有限公司 | Three-opening rubber tube air leakage detection device |
| CN104236819B (en) * | 2014-09-28 | 2018-05-15 | 东阳市天齐知识产权运营有限公司 | Vapour-pressure type detection method in medical instrument assembling process |
| CN104236818B (en) * | 2014-09-28 | 2018-05-15 | 东阳市天齐知识产权运营有限公司 | Vapour-pressure type detection device in medical instrument kludge |
| CN104849199A (en) * | 2015-05-20 | 2015-08-19 | 广东美的暖通设备有限公司 | Metal pipe pitting-resistant property evaluation device and metal pipe pitting-resistant property evaluation method |
| CN105628308A (en) * | 2015-12-16 | 2016-06-01 | 上海宝舜医疗器械有限公司 | Airtightness detection device and detection method for multi-exhaust infusion apparatus |
| CN106066232B (en) * | 2016-07-20 | 2024-06-11 | 梁启明 | Intravenous needle catheter ventilation detection device |
| CN106768719A (en) * | 2016-12-30 | 2017-05-31 | 无锡明珠钢球有限公司 | Weld the sealing test block structure of pipe sealing test device |
| CN113952590B (en) * | 2020-10-30 | 2023-10-20 | 昕迪智能装备(东莞)有限公司 | Catheter ventilation movement assembly |
| CN112763161A (en) * | 2021-01-25 | 2021-05-07 | 淮北阳光管业科技有限公司 | Detection equipment for batch detection of pipe fittings |
| CN113405742B (en) * | 2021-08-20 | 2021-11-16 | 北京力耘柯创医学研究院 | Infusion tube quality detection system |
| CN115655589B (en) * | 2022-12-05 | 2023-03-14 | 常州瑞迈医疗科技有限公司 | Sealing performance testing device for tubular medical instrument |
| CN118032234B (en) * | 2024-04-11 | 2024-06-11 | 佳康医用器材（青岛）有限公司 | Leakage detection device for catheter assembly of indwelling needle |
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| CN103063379A (en) | 2013-04-24 |
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