CN116558740B - Medical trachea cannula body sealing performance detection device - Google Patents
Medical trachea cannula body sealing performance detection device Download PDFInfo
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- CN116558740B CN116558740B CN202310841429.2A CN202310841429A CN116558740B CN 116558740 B CN116558740 B CN 116558740B CN 202310841429 A CN202310841429 A CN 202310841429A CN 116558740 B CN116558740 B CN 116558740B
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- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 238000007789 sealing Methods 0.000 title claims description 48
- 210000003437 trachea Anatomy 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000012360 testing method Methods 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 64
- 238000005452 bending Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of tightness detection, in particular to a device for detecting tightness of a medical tracheal cannula tube body, which comprises a base, a gas tank, a detection base and a conveying frame, wherein the detection base and the conveying frame are horizontally arranged above the base.
Description
Technical Field
The invention relates to the technical field of tightness detection, in particular to a device for detecting tightness of a medical tracheal cannula body.
Background
The tracheal cannula is a special hose, when a patient has dyspnea, the special hose is usually directly inserted into the trachea of the patient, so that medical staff can send oxygen and medicines into the lung of the patient and keep the respiratory tract unobstructed.
The current detection devices for the sealing performance of the tracheal cannula tube body are various, but the general principles are basically similar to the patent CN115655589a, namely a sealing performance test device for a tubular medical instrument (publication date 2023.01.31), CN112595473a, namely a special detection device for the sealing performance test of the tracheal cannula tube body (publication date 2021.04.02), and CN209589362U, namely a quality detection device for a balloon dilation catheter (publication date 2019.11.05), but the following problems sometimes occur in the technical scheme of the detection device for the sealing performance of the tracheal cannula body in the actual use process: firstly, because both ends of the trachea cannula tube body are all open, and most of the trachea cannula tube body has certain elasticity, the current tube body sealing performance detection device usually needs to manually convert the tube body from a bent state to a straight state during detection, and the two ends of the tube body are manually sealed; secondly, the current detection device for the sealing performance of the pipe body cannot isolate the influence of the external environment on the detection result, so that misjudgment can sometimes occur when the sealing performance of the pipe body is detected; third, the current device for detecting the sealing performance of a tube body is generally provided with a mechanism for positioning a leakage point, for example, a sealing performance testing device for a tubular medical instrument (publication date 2023.01.31) in patent CN115655589a, but the leakage point positioning mechanism in the patent above may have a wrong positioning phenomenon during operation, because gas may scatter after leakage, it is difficult to ensure that the leakage point positioning mechanisms at other positions do not work synchronously, although the gas leakage needs time, when the air pressure in the tube body is large, the working time interval between the leakage point positioning mechanism at the crack position and the leakage point positioning mechanism at other positions may be short, so that the difficulty of staff in judging the leakage point is increased.
Disclosure of Invention
The invention aims to provide a device for detecting the sealing performance of a medical tracheal cannula body, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a medical trachea cannula body sealing performance detection device, detection device includes frame, gas pitcher, detection seat and carriage level set up the top at the frame, the gas pitcher sets up the inside at the frame, the inside of detecting the seat is provided with the detection room, the one end that the carriage was kept away from to the detection room is provided with the reposition of redundant personnel mechanism, the one end that reposition of redundant personnel mechanism is close to the carriage is provided with the locating lever, the one end that the locating lever is close to the reposition of redundant personnel mechanism is provided with the second sacculus, the one end that the locating lever is close to the carriage is provided with first sacculus, the outside of locating lever is provided with first exhaust hole, the one end of reposition of redundant personnel mechanism is connected with the gas pitcher through the air duct, the last one end of reposition of redundant personnel mechanism is connected with the locating lever, be provided with the transport seat on the carriage, through the transport seat carries the body, the lower extreme that detects seat and carriage all is provided with the conveyer belt, be provided with the conveyer belt in the conveyer belt, the conveyer belt is connected with the conveyer belt.
The machine seat is a fixed foundation of the invention, the gas tank has a gas supply function, the positioning rod is provided with a pressure detector (the existing gas pressure detection equipment can be selected), meanwhile, the central line of the positioning rod and the central line of the pipe body are positioned at the same horizontal line, before the work, the pipe body is placed in the conveying seat, then the conveying belt is started, the pipe body is conveyed into the detection chamber through the conveying seat, so that the positioning rod is inserted into the pipe body, after the positioning rod is inserted into the pipe body, the conveying seat is restored to the initial position through the conveying belt, when the sealing performance of the pipe body is detected, gas in the gas tank firstly enters the first balloon and the second balloon through the flow distribution mechanism, at the moment, the two ends of the pipe body are sealed through the expansion of the first balloon and the second balloon, then the gas in the gas tank enters the positioning rod through the flow distribution mechanism, the positioning rod has the function, so that the pipe body is filled with the gas when the sealing performance of the pipe body is detected, the gas in the pipe body is detected through the pressure detector arranged on the positioning rod, when the pipe body is inserted into the pipe body, the gas in the pipe body is restored to the initial position, when the pipe body is detected, the gas in the pipe body does not change after a period, the gas in the pipe body does not change, and if the sealing performance of the pipe body is required to change, and the problem that the sealing performance of the pipe body is changed after the pipe body is required.
Further, the reposition of redundant personnel mechanism includes fixing base, first splitter box and second splitter box, the inside of locating lever is provided with first exhaust groove and second exhaust groove, the one end of first splitter box is connected with the air duct, the other end of first splitter box is connected with first exhaust groove, the one end of second splitter box is connected with the air duct, the other end of second splitter box is connected with second exhaust groove, first sacculus is connected with the second exhaust groove through the second exhaust passage, the second sacculus is connected with the second exhaust groove through the second exhaust hole, the second sacculus is annular structure, first exhaust hole is connected with first exhaust groove.
In the invention, a group of valves are arranged on the first diversion groove and the second diversion groove, the valves on the second diversion groove are in an open state in the initial working stage of the diversion mechanism, the valves on the first diversion groove are in a closed state, at the moment, gas in the gas tank can enter the second exhaust groove through the second diversion groove and then enter the first balloon and the second balloon through the second exhaust hole and the second exhaust channel, so that the first balloon and the second balloon are inflated, and two ends of the pipe body are blocked; when the tightness of the pipe body is actually detected, the valve on the second diversion trench is in a closed state, the valve on the first diversion trench is in an open state, gas in the gas tank can enter the first exhaust trench through the first diversion trench and then enter the pipe body through the first exhaust hole, and whether the tightness of the pipe body is normal is judged by detecting the air pressure in the pipe body after a period of time.
Further, two groups of storage grooves are formed in the inner wall of the detection chamber relatively, a group of detection covers are arranged in each storage groove, an induction groove is formed in the inner wall of each detection cover, an induction piece is arranged in each induction groove, a second cylinder is arranged on one side, far away from the locating rod, of each detection cover, and a first cylinder and a sealing frame are arranged on one side, close to the conveying frame, of the upper end of the detection seat.
In the invention, the gas in the gas tank is wet air and other gases with conductive performance, and simultaneously, two groups of induction sheets are connected with an external power supply, and when the sealing performance of the pipe body is detected: the sealing frame is driven to move downwards through the first air cylinders, the two groups of detection covers are driven to fold through the two groups of second air cylinders, the side ends of the two groups of detection covers are respectively contacted with the side ends of the flow dividing mechanism and the sealing frame, when the flow dividing mechanism inputs the air in the air tank into the pipe body, if the pipe body leaks, the air in the air tank enters between the two groups of detection covers through the cracks of the pipe body and is filled between the two groups of induction plates, and at the moment, a circuit formed by the two groups of induction plates and an external power supply is in a conducting state; if the pipe body does not leak, the circuit formed by the two groups of induction sheets and the external power supply is always in a disconnected state, the tightness of the pipe body can be detected by judging the circuit state formed by the two groups of induction sheets and the external power supply, and the technical scheme is adopted, so that excessive gas is not required to be filled into the pipe body, and the damage caused by the overlarge air pressure in the pipe body is avoided.
Further, the one end that detects the cover and keep away from detecting the room is provided with the electro-magnet, the one end that detects the cover and be close to detecting the room is provided with a plurality of groups of division frame, and the distance between two adjacent groups of division frame equals, every group division frame is all through slider and spout movable mounting in the inside that detects the cover, the slider has magnetism.
Under the unoperated state, a plurality of group's cutting frame all are located and detect the cover, when detecting the body leakproofness, produce the magnetic field of a set of repulsing slider through the electro-magnet, so that a plurality of group's cutting frame in every group detects the cover all stretches out and detects the cover, cut apart into a plurality of minor region with the big region between two group's detection cover and the body through a plurality of group's cutting frame that set up in two group's detection covers, and then realize the purpose of location crack, in order to make things convenient for the staff to judge that the body has taken place to reveal in which position, after the work, produce a set of magnetic field that attracts the slider through the electro-magnet, so that a plurality of group's cutting frame resets.
Further, the inside of seal frame is provided with air pump and clean room, the inside of clean room is provided with the filter plate, the intermediate position department of filter plate is provided with the dry board, the side of filter plate is connected with the clean room through the response spring rod, the side of filter plate is provided with the piezoelectric plate.
The invention also provides the air pump, when the detection cover is closed, but a plurality of groups of dividing frames do not extend out of the detection cover, the air between the two groups of detection covers and the pipe body is sucked out through the air pump, so that the air in the external environment is prevented from being stagnated between the two groups of detection covers and the pipe body, and further misjudgment accidents are reduced.
Further, the top of carrying the seat is provided with the supporting slot, the one end that the seat was kept away from to the carriage is provided with the detection frame, the inside of detection frame is provided with a plurality of group's test assembly, through test assembly detects whether the surface of body has the crease and straightens crooked body.
According to the technical scheme, when the pipe body is fed, the pipe body is required to be inserted into the detection frame first and then placed into the conveying seat, and at the moment, whether the surface of the pipe body is provided with folds or not is detected through the test assembly, and the bent pipe body is straightened, so that the follow-up operation is convenient.
Further, the test assembly comprises a movable chamber, a feeler lever and a lifting groove, wherein the lifting groove is arranged at one end of the detection frame, which is close to the conveying seat, the movable chamber is arranged at the outer side of the lifting groove, one end of the feeler lever is wound with a spring and stretches into the movable chamber, the other end of the feeler lever stretches out of the movable chamber, two groups of conductive blocks are arranged in the movable chamber and are connected through the conductive lever, one group of conductive blocks are fixedly arranged on one side, far away from the lifting groove, of the movable chamber, and the other group of conductive blocks are fixedly arranged on one side, far away from the lifting groove, of the movable chamber.
According to the technical scheme, when the pipe body is placed on the conveying seat, the pipe body moves in the supporting groove and the lifting groove, the feeler lever is always in contact with the surface of the pipe body in the moving process, if the pipe body is bent to generate a dent phenomenon, the feeler lever moves, the distance between the two groups of conductive blocks synchronously changes, and when the two groups of conductive blocks are connected with an external power supply and current detection equipment, whether the surface of the pipe body is normal or not can be judged by monitoring the current change on the current detection equipment so as to avoid influencing subsequent detection.
Further, the inside of carrying the seat is provided with the vacuum pump, the supporting groove is kept away from one side of detecting the frame and is provided with a plurality of groups of adsorption tanks, the vacuum pump is connected with a plurality of groups of adsorption tanks through the UNICOM groove.
Due to the fact that most of the current trachea cannula tube body has certain elasticity, when the tube body is converted into a straight line state from a bending state, the tube body tends to return to the bending state.
Compared with the prior art, the invention has the following beneficial effects: compared with the prior pipe body sealing performance detection device provided with a positioning rod and a flow dividing mechanism, the two ends of the positioning rod are respectively provided with a first balloon and a second balloon, when the sealing performance of the pipe body is detected, the flow dividing mechanism enables gas in a gas tank to enter the first balloon and the second balloon firstly, at the moment, the two ends of the pipe body can be sealed through the expansion of the first balloon and the second balloon, then the gas in the gas tank enters the middle of the pipe body through the flow dividing mechanism, the pressure detector arranged on the positioning rod detects the gas pressure in the middle of the pipe body, so as to judge whether the sealing performance of the pipe body is problematic, on one hand, the invention avoids the phenomenon that the inner wall of the pipe body contacts due to the bending of the pipe body, ensures the detection precision, on the other hand, does not need to comb the pipe body manually, further improves the working efficiency, and is also provided with two groups of detection covers, the invention also provides an air pump, when the detection covers are folded, but the plurality of groups of the division frames do not extend out of the detection covers, the air pump sucks out the air between the two groups of the detection covers and the pipe body, so that the air in the external environment is prevented from being stagnated between the two groups of the detection covers and the pipe body, and the occurrence of misjudgment accidents is reduced. Therefore, the vacuum pump is arranged in the conveying seat, and the pipe body is firmly adsorbed onto the conveying seat through the communicating groove and the plurality of groups of adsorption grooves, so that the pipe body is prevented from being restored to the bending state again when the pipe body is converted into the straight line state from the bending state.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the test seat according to the present invention;
FIG. 3 is a schematic view of a shunt mechanism according to the present invention;
FIG. 4 is a schematic view of the internal structure of the positioning rod of the present invention;
FIG. 5 is a schematic view of the structure of section A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the structure of the portion B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is a schematic representation of the operation of the first and second balloons of the present invention;
FIG. 8 is a schematic view of the internal structure of the detecting seat for detecting the tightness of the pipe body;
FIG. 9 is a schematic view of the structure of section C-C of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic front view of a test mask of the present invention;
FIG. 11 is a schematic view of the structure of the portion D-D in FIG. 10 according to the present invention;
FIG. 12 is a schematic view of the structure of the portion E-E of FIG. 10 in accordance with the present invention;
FIG. 13 is a schematic diagram of the operation of two sets of test hoods in accordance with the present invention;
FIG. 14 is a schematic view of the internal structure of the seal holder of the present invention;
FIG. 15 is a schematic view of the carriage structure of the present invention;
FIG. 16 is a schematic view showing the internal structure of the test rack and the transfer base of the present invention.
In the figure: 1-stand, 2-air tank, 3-detection seat, 31-shunt mechanism, 311-fixing seat, 312-first shunt groove, 313-second shunt groove, 32-positioning rod, 321-first exhaust groove, 3211-first exhaust hole, 322-second exhaust groove, 3221-second exhaust hole, 3222-second exhaust passage, 323-first balloon, 324-second balloon, 33-transmission groove, 34-first cylinder, 35-sealing frame, 351-filter plate, 352-air pump, 36-detection chamber, 37-detection cover, 371-second cylinder, 372-storage groove, 373-sensing piece, 374-sensing groove, 375-dividing frame, 3751-slider, 376-electromagnet, 38-conveyor belt, 39-air guide pipe, 4-conveying frame, 41-conveying seat, 411-supporting groove, 42-detection frame, 421-movable chamber, 422-feeler lever, 423-lifting groove.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7, a device for detecting sealing performance of a medical tracheal cannula tube body comprises a machine base 1, a gas tank 2, a detection seat 3 and a conveying frame 4, wherein the detection seat 3 and the conveying frame 4 are horizontally arranged above the machine base 1, the gas tank 2 is arranged inside the machine base 1, a detection chamber 36 is arranged inside the detection seat 3, one end, far away from the conveying frame 4, of the detection chamber 36 is provided with a diversion mechanism 31, one end, close to the conveying frame 4, of the diversion mechanism 31 is provided with a positioning rod 32, one end, close to the diversion mechanism 31, of the positioning rod 32 is provided with a second balloon 324, one end, close to the conveying frame 4, of the positioning rod 32 is provided with a first balloon 323, the outer side of the positioning rod 32 is provided with a first exhaust hole 3211, one end of the diversion mechanism 31 is connected with the gas tank 2 through a gas duct 39, the other end of the diversion mechanism 31 is connected with the first balloon 323 and the second balloon 324, the last end of the diversion mechanism 31 is connected with the positioning rod 32, a conveying seat 41 is arranged on the conveying frame 4, the lower ends of the detection seat 3 and the conveying frame 4 are respectively provided with a transmission groove 33, one end, and the transmission groove 33 is arranged in the transmission groove 33, and the transmission groove 38 is connected with the transmission belt 41.
The base 1 is a fixed foundation of the invention, the gas tank 2 has a gas supply function, the positioning rod 32 is provided with a pressure detector (an existing gas pressure detection device is selected), meanwhile, the central line of the positioning rod 32 and the central line of the pipe body are positioned at the same horizontal line, before working, the pipe body is placed in the conveying seat 41, then the conveying belt 38 is started, the pipe body is conveyed into the detection chamber 36 through the conveying seat 41, so that the positioning rod 32 is inserted into the pipe body, when the positioning rod 32 is inserted into the pipe body, the conveying seat 41 is restored to an initial position through the conveying belt 38, when the sealing performance of the pipe body is detected, the gas in the gas tank 2 firstly enters the first balloon 323 and the second balloon 324 through the split mechanism 31, at the moment, the two ends of the pipe body are sealed through the expansion of the first balloon 323 and the second balloon 324, then the gas in the pipe body 2 enters the positioning rod 32 through the split mechanism 31, the positioning rod 32 has the function, so that the pipe body is fully filled with the gas when the pipe body is detected, when the pipe body sealing performance is detected, the gas is well, and when the gas leakage performance of the pipe body is detected after the pipe body is detected, the pipe body is changed, if the gas sealing performance is required, and the pipe body is changed after the gas sealing performance is changed.
As shown in fig. 2 to 6, the diversion mechanism 31 includes a fixing seat 311, a first diversion trench 312 and a second diversion trench 313, a first exhaust trench 321 and a second exhaust trench 322 are provided in the positioning rod 32, one end of the first diversion trench 312 is connected with the air duct 39, the other end of the first diversion trench 312 is connected with the first exhaust trench 321, one end of the second diversion trench 313 is connected with the air duct 39, the other end of the second diversion trench 313 is connected with the second exhaust trench 322, the first balloon 323 is connected with the second exhaust trench 322 through a second exhaust channel 3222, the second balloon 324 is connected with the second exhaust trench 322 through a second exhaust hole 3221, the second balloon 324 is in a ring structure, and the first exhaust hole 3211 is connected with the first exhaust trench 321.
In the invention, a group of valves are arranged on a first diversion trench 312 and a second diversion trench 313, the valve on the second diversion trench 313 is in an open state in the initial working stage of the diversion mechanism 31, the valve on the first diversion trench 312 is in a closed state, at this time, gas in a gas tank 2 can enter a second exhaust trench 322 through the second diversion trench 313 and then enter a first balloon 323 and a second balloon 324 through a second exhaust hole 3221 and a second exhaust channel 3222, so that the first balloon 323 and the second balloon 324 are inflated, and two ends of a pipe body are blocked; when the tightness of the pipe body is actually detected, the valve on the second diversion trench 313 is in a closed state, the valve on the first diversion trench 312 is in an open state, at this time, gas in the gas tank 2 can enter the first exhaust trench 321 through the first diversion trench 312, then enter the pipe body through the first exhaust hole 3211, and the tightness of the pipe body is judged whether to be normal or not by detecting the air pressure in the pipe body after a period of time.
As shown in fig. 2 and fig. 8-13, two sets of storage grooves 372 are oppositely arranged on the inner wall of the detection chamber 36, a set of detection cover 37 is arranged in each set of storage grooves 372, an induction groove 374 is arranged on the inner wall of the detection cover 37, two sets of induction plates 373 are arranged in the induction groove 374, a second cylinder 371 is arranged on one side, away from the positioning rod 32, of each set of detection cover 37, and a first cylinder 34 and a sealing frame 35 are arranged on one side, close to the conveying frame 4, of the upper end of the detection seat 3.
In the invention, the gas in the gas tank 2 is wet air and other gases with conductive performance, and meanwhile, two groups of sensing sheets 373 are connected with an external power supply, and when the sealing performance of the pipe body is detected: the sealing frame 35 is driven to move downwards through the first air cylinder 34, the two groups of detection covers 37 are driven to fold through the two groups of second air cylinders 371, the side ends of the two groups of detection covers 37 are respectively contacted with the shunt mechanism 31 and the side ends of the sealing frame 35, when the shunt mechanism 31 inputs the air in the air tank 2 into the pipe body, if the pipe body leaks, the air in the air tank 2 can enter between the two groups of detection covers 37 through the crack of the pipe body and is filled between the two groups of sensing pieces 373, and at the moment, a circuit formed by the two groups of sensing pieces 373 and an external power supply is in a conducting state; if the tube body does not leak, the circuit formed by the two groups of sensing plates 373 and the external power supply is always in a disconnected state, and the tightness of the tube body can be detected by judging the circuit state formed by the two groups of sensing plates 373 and the external power supply.
As shown in fig. 2 and fig. 8-13, an electromagnet 376 is disposed at one end of the detection cover 37 far away from the detection chamber 36, a plurality of groups of dividing frames 375 are disposed at one end of the detection cover 37 near the detection chamber 36, distances between two adjacent groups of dividing frames 375 are equal, each group of dividing frames 375 is movably mounted in the detection cover 37 through a sliding block 3751 and a sliding groove, and the sliding block 3751 has magnetism.
Under the unoperated state, a plurality of sets of segmentation frames 375 all are located in the detection cover 37, when detecting the body leakproofness, produce a set of magnetic field that repels slider 3751 through electro-magnet 376, so that a plurality of sets of segmentation frames 375 in every set of detection cover 37 all stretch out the detection cover 37, cut apart into a plurality of minor area with the large tracts of land between two sets of detection covers 37 and the body through a plurality of sets of segmentation frames 375 that set up in two sets of detection covers 37, and then realize the purpose of location crack, in order to make things convenient for the staff to judge which position of body has taken place to reveal at all, after the work, produce a set of magnetic field that attracts slider 3751 through electro-magnet 376, so that a plurality of sets of segmentation frames 375 reset.
As shown in fig. 2, 8-14, an air pump 352 and a purifying chamber are arranged in the sealing frame 35, a filter plate 351 is arranged in the purifying chamber, a drying plate is arranged in the middle of the filter plate 351, the side end of the filter plate 351 is connected with the purifying chamber through an induction spring rod, and a piezoelectric sheet is arranged at the side end of the filter plate 351.
The invention is also provided with the air pump 352, when the detection cover 37 is folded, but the plurality of groups of dividing frames 375 do not extend out of the detection cover 37, the air between the two groups of detection covers 37 and the pipe body is sucked out through the air pump 352, so that the air in the external environment is prevented from being stagnated between the two groups of detection covers 37 and the pipe body, and further misjudgment accidents are reduced.
As shown in fig. 1-2 and 15-16, a supporting slot 411 is arranged above the conveying seat 41, a detecting frame 42 is arranged at one end of the conveying frame 4 far away from the detecting seat 3, and a plurality of groups of testing components are arranged inside the detecting frame 42.
Through the technical scheme, when the pipe body is fed, the pipe body is firstly inserted into the detection frame 42 and then placed into the conveying seat 41, and at the moment, whether the surface of the pipe body is creased or not is detected through the testing component, and the bent pipe body is straightened, so that the follow-up operation is convenient.
As shown in fig. 2 and fig. 15-16, the test assembly includes a movable chamber 421, a feeler 422 and a lifting groove 423, the lifting groove 423 is disposed at one end of the detection frame 42 near the conveying seat 41, the movable chamber 421 is disposed at the outer side of the lifting groove 423, one end of the feeler 422 is wound with a spring and extends into the movable chamber 421, the other end of the feeler 422 extends out of the movable chamber 421, two groups of conductive blocks are disposed in the movable chamber 421 and are connected through the conductive bars, one group of conductive blocks is fixedly mounted at one side of the movable chamber 421 far from the lifting groove 423, and the other group of conductive blocks is fixedly mounted at one side of the movable chamber 421 far from the lifting groove 423.
Through the technical scheme, when the pipe body is placed on the conveying seat 41, the pipe body moves in the supporting groove 411 and the lifting groove 423, the contact rod 422 is always in contact with the surface of the pipe body in the moving process, if the pipe body is in a dent phenomenon caused by bending, the contact rod 422 moves, the distance between the two groups of conductive blocks synchronously changes, and when the two groups of conductive blocks are connected with an external power supply and current detection equipment, whether the surface of the pipe body is normal can be judged by monitoring the current change on the current detection equipment so as to avoid influencing the subsequent detection.
As shown in fig. 2 and 15-16, a vacuum pump is arranged in the conveying seat 41, a plurality of groups of adsorption tanks are arranged on one side of the supporting tank 411 away from the detection frame 42, and the vacuum pump is connected with the plurality of groups of adsorption tanks through the communication tanks.
Because most of the current trachea cannula tube body has certain elasticity, when the tube body is converted into a straight line state from a bending state, the tube body tends to return to the bending state.
The working principle of the invention is as follows: before working, the pipe body is inserted into the detection frame 42 first and then placed into the conveying seat 41, whether the surface of the pipe body is provided with folds or not is detected through the test assembly, the bent pipe body is straightened, so that subsequent operation is facilitated, the conveying seat 41 is driven to move through the conveying belt 38, the pipe body is conveyed into the detection chamber 36 through the conveying seat 41, so that the positioning rod 32 is inserted into the pipe body, after the positioning rod 32 is inserted into the pipe body, the conveying seat 41 is restored to an initial position through the conveying belt 38, when the sealing performance of the pipe body is detected, the sealing frame 35 is driven to move downwards through the first air cylinder 34, the two groups of the detection covers 37 are driven to be closed through the two groups of the second air cylinders 371, the side ends of the two groups of the detection covers 37 are respectively contacted with the side ends of the shunt mechanism 31 and the sealing frame 35, then the gas in the gas tank 2 firstly enters the first balloon 323 and the second balloon 324 through the shunt mechanism 31, at this moment, the two ends of the pipe body can be blocked through the expansion of the first balloon 323 and the second balloon 324, then the gas in the two groups of the gas tank 2 are restored to the initial position through the conveying belt 38, if the two groups of the gas in the pipe body are filled with the two groups of the gas tank 37 and the two groups of gas tank 37 are in a state between the two groups of gas tank and the two gas tank channel body channel state, and the gas tank channel state is filled with the two groups of the gas channel state and the gas channel state; if the tube body is not leaked, the circuit formed by the two groups of sensing plates 373 and the external power supply is always in a disconnected state, and the tightness of the tube body can be detected by judging the circuit state formed by the two groups of sensing plates 373 and the external power supply.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A medical trachea cannula body sealing performance detection device is characterized in that: the detection device comprises a base (1), a gas tank (2), a detection seat (3) and a conveying frame (4), wherein the detection seat (3) and the conveying frame (4) are horizontally arranged above the base (1), the gas tank (2) is arranged inside the base (1), a detection chamber (36) is arranged inside the detection seat (3), one end, far away from the conveying frame (4), of the detection chamber (36) is provided with a diversion mechanism (31), one end, close to the conveying frame (4), of the diversion mechanism (31) is provided with a positioning rod (32), one end, close to the diversion mechanism (31), of the positioning rod (32) is provided with a second balloon (324), one end, close to the conveying frame (4), of the positioning rod (32) is provided with a first balloon (323), the outer side of the positioning rod (32) is provided with a first exhaust hole (3211), one end of the diversion mechanism (31) is connected with the gas tank (2) through a gas guide pipe (39), the other end of the diversion mechanism (31) is connected with the first balloon (323) and the second balloon (324) through the first balloon (41), the positioning rod (32) is connected with the conveying frame (41) through the last balloon (41), the lower ends of the detection seat (3) and the conveying frame (4) are respectively provided with a transmission groove (33), a conveying belt (38) is arranged in each transmission groove (33), and the conveying seat (41) is connected with the conveying belt (38);
the diversion mechanism (31) comprises a fixed seat (311), a first diversion groove (312) and a second diversion groove (313), a first exhaust groove (321) and a second exhaust groove (322) are arranged in the positioning rod (32), one end of the first diversion groove (312) is connected with an air duct (39), the other end of the first diversion groove (312) is connected with the first exhaust groove (321), one end of the second diversion groove (313) is connected with the air duct (39), the other end of the second diversion groove (313) is connected with the second exhaust groove (322), the first balloon (323) is connected with the second exhaust groove (322) through a second exhaust channel (3222), the second balloon (324) is connected with the second exhaust groove (322) through a second exhaust hole (3221), and the second balloon (324) is of an annular structure and is connected with the first exhaust groove (321);
two groups of storage grooves (372) are oppositely formed in the inner wall of the detection chamber (36), a group of detection covers (37) are arranged in each group of storage grooves (372), an induction groove (374) is formed in the inner wall of each detection cover (37), an induction piece (373) is arranged in each induction groove (374), a second cylinder (371) is arranged on one side, far away from the locating rod (32), of each detection cover (37), and a first cylinder (34) and a sealing frame (35) are arranged on one side, close to the conveying frame (4), of the upper end of the detection seat (3);
the gas in the gas tank (2) is gas with conductivity, and the two groups of sensing pieces (373) are connected with an external power supply;
when the sealing performance of the pipe body is detected: the sealing frame (35) is driven to move downwards through the first air cylinder (34), the two groups of detection covers (37) are driven to fold through the two groups of second air cylinders (371), and the side ends of the two groups of detection covers (37) are respectively contacted with the side ends of the diversion mechanism (31) and the sealing frame (35).
2. The device for detecting the sealing performance of a medical tracheal cannula tube according to claim 1, wherein: the detection cover (37) is provided with electro-magnet (376) far away from the one end of detecting room (36), the one end that detects cover (37) and is close to detecting room (36) is provided with a plurality of group's segmentation frame (375), and the distance between two adjacent group's segmentation frame (375) equals, every group segmentation frame (375) all pass through slider (3751) and spout movable mounting in the inside that detects cover (37), slider (3751) have magnetism.
3. The device for detecting the sealing performance of a medical tracheal cannula tube according to claim 2, wherein: the inside of sealed frame (35) is provided with air pump (352) and clean room, the inside of clean room is provided with filter plate (351), the intermediate position department of filter plate (351) is provided with the dry board, the side of filter plate (351) is connected with the clean room through the response spring beam, the side of filter plate (351) is provided with the piezoelectric disc.
4. A medical endotracheal tube body sealing performance detecting apparatus according to claim 3, wherein: the automatic pipe straightening machine is characterized in that a supporting groove (411) is formed in the upper portion of the conveying seat (41), a detection frame (42) is arranged at one end, far away from the detection seat (3), of the conveying frame (4), a plurality of groups of test components are arranged in the detection frame (42), and whether folds are formed in the surface of a pipe body or not and the bent pipe body is straightened through the test components.
5. The device for detecting the sealing performance of a medical tracheal cannula tube according to claim 4, wherein: the test assembly comprises a movable chamber (421), a feeler lever (422) and a lifting groove (423), wherein the lifting groove (423) is arranged at one end of a detection frame (42) close to a conveying seat (41), the movable chamber (421) is arranged at the outer side of the lifting groove (423), one end of the feeler lever (422) is wound with a spring and stretches into the movable chamber (421), the other end of the feeler lever (422) stretches out of the movable chamber (421), two groups of conductive blocks are arranged in the movable chamber (421) and are connected through the conductive levers, one group of conductive blocks is fixedly arranged on one side, far away from the lifting groove (423), of the movable chamber (421), and the other group of conductive blocks is fixedly arranged on one side, far away from the lifting groove (423), of the movable chamber (421).
6. The device for detecting the sealing performance of a medical tracheal cannula tube according to claim 5, wherein: the inside of delivery seat (41) is provided with the vacuum pump, one side that supporting groove (411) kept away from detection frame (42) is provided with a plurality of groups of adsorption tanks, the vacuum pump is connected with a plurality of groups of adsorption tanks through the UNICOM groove.
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| CN117214479B (en) * | 2023-10-11 | 2024-02-13 | 保定市泰达电力设备有限公司 | Transformer electrode interphase resistance integrated testing device |
| CN117183375B (en) * | 2023-11-07 | 2024-03-15 | 苏州瑞德智慧精密科技股份有限公司 | Automatic assembling spring piece equipment with conducting and impedance measuring functions |
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