CN116500165A - Gas chromatography mass spectrometry detection equipment - Google Patents

Gas chromatography mass spectrometry detection equipment Download PDF

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Publication number
CN116500165A
CN116500165A CN202310481359.4A CN202310481359A CN116500165A CN 116500165 A CN116500165 A CN 116500165A CN 202310481359 A CN202310481359 A CN 202310481359A CN 116500165 A CN116500165 A CN 116500165A
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CN
China
Prior art keywords
rod
driving
sliding
detection
suction piece
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Granted
Application number
CN202310481359.4A
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Chinese (zh)
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CN116500165B (en
Inventor
张钦敏
颜东东
卢立新
陈晓燕
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Shenzhen Element Testing Co ltd
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Shenzhen Element Testing Co ltd
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Priority to CN202310481359.4A priority Critical patent/CN116500165B/en
Publication of CN116500165A publication Critical patent/CN116500165A/en
Application granted granted Critical
Publication of CN116500165B publication Critical patent/CN116500165B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/62Detectors specially adapted therefor
    • G01N30/72Mass spectrometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • G01N2001/1418Depression, aspiration

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

The application discloses gas chromatography mass spectrometry detection equipment relates to detection equipment technical field. This application is including detecting the frame, still includes: the feeding mechanism comprises a connecting plate and a bearing frame arranged on the detection rack, a plurality of placing seats for placing detection bottles are horizontally and slidably arranged on the bearing frame, and the placing seats are in a linear array and are connected with the connecting plate; the sampling mechanism comprises a suction piece which is vertically and slidably arranged on the bearing frame and is used for sucking liquid in the detection bottle into the detection frame. This application suction piece is vertical throughout to reciprocating motion through actuating mechanism, realizes the continuity suction, and cooperation interlock mechanism makes the inside liquid of detection bottle by the suction back, makes next detection bottle be located suction piece below in the space of suction piece upward movement to improved the continuity, reduced dwell time, thereby improved sampling efficiency, indirect improvement detection efficiency.

Description

Gas chromatography mass spectrometry detection equipment
Technical Field
The application relates to the technical field of gas chromatography-mass spectrometry detection, in particular to gas chromatography-mass spectrometry detection equipment.
Background
Gas chromatography mass spectrometry (GC-MS) is a mainstream separation detection system widely used at present. So far, GCMS has been widely applied to fields such as foods, medicines, chemical industry, inspection and monitoring, and the like, not only participates in the formulation of national standards and pharmacopoeia methods, but also plays an important supporting role in the scientific research field, and has been developed to have the characteristics of miniaturization, automation, intellectualization, specialization and the like, for example, when essence is produced, the content of alcohol substances in the essence needs to be detected, and the content of the alcohol substances in the essence is ensured to reach the corresponding standard.
When the existing gas chromatograph-mass spectrometer detects essence, a plurality of detection bottles are prepared in advance, essence samples are poured into the detection bottles, then after a certain proportion of diluent is added, the detection bottles are placed on a detection seat of the gas chromatograph-mass spectrometer, then a sampling mechanism on the gas chromatograph-mass spectrometer sequentially extracts and detects the essence in the detection bottles, a rotary seat is rotatably arranged on the gas chromatograph-mass spectrometer, a plurality of placing grooves for placing the detection bottles are formed in the top of the rotary seat, the detection bottles are aligned to a sample inlet after the rotary seat rotates by a certain angle, then an automatic sampler moves downwards to enable a sampling needle cylinder to be inserted into the detection bottles, then liquid in the detection bottles is pumped out, the automatic sampler moves upwards after the extraction, and therefore primary sampling is achieved.
Disclosure of Invention
The purpose of the present application is: in order to solve the problems set forth in the background art, the present application provides a gas chromatography mass spectrometry detection apparatus.
The application specifically adopts the following technical scheme for realizing the purposes:
a gas chromatography mass spectrometry detection apparatus comprising a detection housing, further comprising:
the feeding mechanism comprises a connecting plate and a bearing frame arranged on the detection rack, a plurality of placing seats for placing detection bottles are horizontally and slidably arranged on the bearing frame, and the placing seats are in a linear array and are connected with the connecting plate;
a sampling mechanism comprising a suction piece vertically and slidably mounted on the carrier and used for sucking the liquid in the detection bottle into the detection rack;
a driving mechanism which is arranged on the bearing frame and acts on the suction piece and is used for driving the suction piece to move vertically;
and the linkage mechanism is arranged on the bearing frame and acts on the connecting plate, is connected with the driving mechanism, and enables the connecting plate to move towards the suction piece through the linkage mechanism when the driving mechanism enables the suction piece to move from bottom to top after sampling.
Further, the driving mechanism comprises a driving rod vertically and slidably installed on the bearing frame, a horizontal connecting rod is constructed on one side of the driving rod, a movable groove is formed in one side of the connecting rod along the length direction of the connecting rod, a driving disc is rotatably installed on the bearing frame, a pole which is in sliding tangency with the movable groove is eccentrically constructed on one side of the driving disc, the driving rod is connected with the linkage mechanism, a transmission assembly is installed between the suction piece and the driving rod, when the driving rod moves from bottom to top, the suction piece vertically moves downwards and then resets through the transmission assembly, and when the driving rod moves from top to bottom, the linkage mechanism moves the connecting plate to the direction of the suction piece.
Further, the linkage mechanism comprises a sliding frame which is horizontally and slidably arranged on the bearing frame, a pushing plate which is vertically and rotatably arranged on the sliding frame through a rotating shaft, a rod body which is arranged on the sliding frame along the length direction of the connecting plate in an array manner, a torsion spring which is sleeved on the rotating shaft, one end of the torsion spring is connected with the sliding frame, the other end of the torsion spring is connected with the pushing plate, a step surface which is used for limiting the sliding plate to rotate and hinge is formed on the sliding frame, and a linkage piece which is used for driving the sliding frame to horizontally reciprocate is arranged between the sliding frame and the driving rod.
Further, the linkage piece comprises a transmission rod with one end rotatably mounted on the bearing frame, a driving groove is formed in one side of the transmission rod along the length direction of the transmission rod, a shaft rod which is in sliding tangency with the driving groove is constructed on the sliding frame, a convex rod is constructed at a position, close to a rotation point, of one side of the transmission rod, a free end of the convex rod is hinged with the linkage rod, and the free end of the linkage rod is hinged with the bottom end of the driving rod.
Further, the suction piece is including installing the connecting cylinder on the carrier, vertical slip cap is equipped with the slide bar in the connecting cylinder, the sampling needle is installed to the bottom of slide bar, the sampling needle bottom passes the connecting cylinder bottom, and is located the inside one end of connecting cylinder has seted up the intercommunicating pore, connecting cylinder bottom one side intercommunication has the sampling pipe, install miniature water pump on the sampling pipe, the sampling pipe free end with detect rack internal connection, drive assembly with the slide bar is connected.
Further, the transmission assembly is installed including rotating the rotary disk of bearing on the frame, bear on the frame rotate install with the coaxial rolling disc of rotary disk, a plurality of transmission grooves have been seted up to the circular array of rolling disc periphery side, the top surface of slide bar passes the connecting cylinder is just the inclined plane design, slide bar periphery side is constructed with the flange, the flange with install reset spring between the connecting cylinder, install the installation section of thick bamboo on the rotary disk, installation section of thick bamboo one end slip is inserted and is equipped with the poking rod, the one end of poking rod is located outside and is constructed as the inclined plane, the poking rod inclined plane with the direction opposite is seted up on slide bar inclined plane, all is used for the card to establish in the transmission groove, the poking rod with install the spring that returns between the installation section of thick bamboo, the rotary disk with articulated between the actuating lever has the transmission pole.
Further, the mount pad is installed at the mount pad top, the vertical rotation of mount pad periphery side is installed and is supported tight pole, support tight pole free end and rotate and install the arc and support the piece, install the drive on the mount pad support tight pole pivoted driving piece.
Further, the guide rod is vertically installed in the installation seat, the driving piece comprises a vertical sliding sleeve and an induction sleeve arranged on the guide rod, the top end of the induction sleeve penetrates through the top of the installation seat to be located outside, a connecting spring is installed between the installation seat and the induction sleeve, a plurality of butt joint rods are constructed on the circular array on the periphery side of the induction sleeve, and a hinge rod is installed between the butt joint rods and the butt joint rods.
Further, the mounting seat is rotatably mounted on the placement seat, a large gear is rotatably mounted on the placement seat, a small gear meshed with the large gear is rotatably mounted on the placement seat, a driving rack meshed with the large gear is mounted on the bearing frame, and a bevel gear assembly is mounted between the small gear and the mounting seat.
Further, a spring telescopic rod is arranged on the bearing frame, a ball body is constructed at the free end of the spring telescopic rod, a positioning arc groove for inserting the ball body is formed in the placing seat, and the arc-shaped abutting block is made of rubber materials.
The beneficial effects of this application are as follows:
1. this application suction piece is vertical throughout to reciprocating motion through actuating mechanism, realizes the continuity suction, and cooperation interlock mechanism makes the inside liquid of detection bottle by the suction back, makes next detection bottle be located suction piece below in the space of suction piece upward movement to improved the continuity, reduced dwell time, thereby improved sampling efficiency, indirect improvement detection efficiency.
2. This application will detect the bottle and place the back on the mount pad, can make to support tight pole rotation this moment through the driving piece to make a plurality of arcs support the piece and contradict on detecting the bottle, thereby can prevent that the connecting plate from when removing, detect the bottle appearance and empty, improved stability.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of a portion of the structure of the present application;
FIG. 3 is a schematic view of another view of FIG. 2 of the present application;
FIG. 4 is an exploded view of yet another portion of the construction of the present application;
FIG. 5 is a partial perspective view of the present application;
FIG. 6 is an enlarged view of the structure of FIG. 2A of the present application;
FIG. 7 is a partial perspective cross-sectional view of FIG. 2 of the present application;
FIG. 8 is a further partial perspective cross-sectional view of FIG. 2 of the present application;
FIG. 9 is an enlarged view of the structure of FIG. 7B of the present application;
FIG. 10 is a partial perspective cross-sectional view of FIG. 3 of the present application;
FIG. 11 is a further partial perspective cross-sectional view of FIG. 3 of the present application;
FIG. 12 is a partial perspective cross-sectional view of FIG. 5 of the present application;
reference numerals: 1. a detection rack; 2. a feeding mechanism; 201. a carrier; 202. a placement seat; 203. a connecting plate; 3. a sampling mechanism; 301. a suction member; 3011. a connecting cylinder; 3012. a slide bar; 3013. a sampling needle; 3014. a communication hole; 3015. a sampling tube; 3016. a micro water pump; 4. a driving mechanism; 401. a driving rod; 402. a connecting rod; 403. a movable groove; 404. a drive plate; 405. a post; 5. a linkage mechanism; 501. a carriage; 502. a pushing plate; 503. a rod body; 504. a torsion spring; 6. a transmission assembly; 601. a rotating disc; 602. a rotating disc; 603. a transmission groove; 604. a return spring; 605. a mounting cylinder; 606. a toggle rod; 607. a return spring; 608. a convex plate; 609. a conductive rod; 7. a linkage member; 701. a transmission rod; 702. a driving groove; 703. a shaft lever; 704. a protruding rod; 705. a linkage rod; 8. a mounting base; 9. a driving member; 901. an induction sleeve; 902. a connecting spring; 903. a guide rod; 904. a butt joint rod; 905. a hinge rod; 10. a tightening rod; 11. arc-shaped abutting blocks; 12. a large gear; 13. a pinion gear; 14. a drive rack; 15. a bevel gear assembly; 16. a spring telescoping rod; 17. a sphere; 18. and positioning the arc groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1-12, a gas chromatography-mass spectrometry detection apparatus according to an embodiment of the present application includes a detection rack 1, where the detection rack 1 is an existing gas chromatography-mass spectrometer, and further includes:
the feeding mechanism 2 comprises a connecting plate 203 and a bearing frame 201 arranged on the detection rack 1, a plurality of placing seats 202 for placing detection bottles are horizontally and slidably arranged on the bearing frame 201, the plurality of placing seats 202 are in a linear array and are all connected with the connecting plate 203, preferably, placing holes can be formed in the placing seats 202 for placing the detection bottles in a mode consistent with the mode of placing the detection bottles by the existing gas chromatography mass spectrometer, and the sampling mechanism 3 comprises a suction piece 301 vertically and slidably arranged on the bearing frame 201 and used for sucking liquid in the detection bottles into the detection rack 1; specifically, the suction piece 301 is used for conveying the sucked detection liquid into a gasification chamber of the gas chromatography-mass spectrometer, and the driving mechanism 4 is mounted on the carrier 201 and acts on the suction piece 301 and is used for driving the suction piece 301 to move vertically; the linkage mechanism 5 is arranged on the bearing frame 201 and acts on the connecting plate 203, the linkage mechanism 5 is connected with the driving mechanism 4, when the driving mechanism 4 is used for enabling the suction piece 301 to move from bottom to top after sampling, the linkage mechanism 5 is used for enabling the connecting plate 203 to move towards the suction piece 301, when the detection bottle detection device is used, firstly, a plurality of detection bottles are respectively placed on the plurality of placement seats 202, at the moment, the suction piece 301 is positioned below the first detection bottle, the driving mechanism 4 is used for enabling the suction piece 301 to vertically move downwards, so that liquid in the detection bottle is pumped into the gasification chamber, then the suction piece 301 vertically moves upwards for resetting, at the moment, the motion track of the suction piece 301 moves from bottom to top after sampling, so that the linkage mechanism 5 is triggered to enable the connecting plate 203 to move towards the suction piece 301, and the connection plate 203 is connected with the plurality of placement seats 202, so that the plurality of placement seats 202 move simultaneously, the next detection bottle is positioned below the suction piece 301, the suction piece 301 is always vertically reciprocated through the driving mechanism 4, and the linkage mechanism 5 is matched to enable the liquid in the detection bottle to be sucked upwards, so that the detection efficiency is improved, and the detection bottle is positioned below the suction piece 301, and the detection efficiency is improved.
As shown in fig. 10 and 4, in some embodiments, the driving mechanism 4 includes a driving rod 401 vertically slidably mounted on the carrier 201, one side of the driving rod 401 is configured with a horizontal connecting rod 402, one side of the connecting rod 402 is provided with a movable slot 403 along the length direction thereof, the carrier 201 is rotatably mounted with a driving disc 404, one side of the driving disc 404 is eccentrically configured with a post rod 405 slidably tangent to the movable slot 403, as shown in fig. 2, the carrier 201 is mounted with a motor, an output shaft of the motor is centrally connected with one side of the driving disc 404, thereby providing continuous rotation power to the driving disc 404, the driving rod 401 is connected with the linkage mechanism 5, a transmission assembly 6 is mounted between the suction member 301 and the driving rod 401, when the driving rod 401 moves from bottom to top, the suction member 301 is vertically moved downward by the transmission assembly 6 and then is reset, when the driving rod 401 moves from top to bottom, the linkage mechanism 5 moves the connection plate 203 in the direction of the suction member 301, that is, when the driving disk 404 rotates continuously, the rod 405 eccentrically configured on the driving disk 404 rotates, because the rod 405 is slidingly tangent to the movable slot 403 and the sliding slot is opened on the connection rod 402, so that, with respect to the connection rod 402, the rod 405 moves along the length direction of the movable slot 403 and rotates along the axis thereof, because the connection rod 402 is fixedly connected with the driving rod 401 and the driving rod 401 is vertically slidingly mounted on the carrier 201, when the rod 405 moves around the axis of the driving disk 404, the driving rod 401 is forced to move vertically by the movable slot 403, the driving disk 404 rotates continuously in use, the driving rod 401 reciprocates vertically, when the driving rod 401 moves from bottom to top, the suction member 301 sucks liquid vertically downward by the transmission assembly 6 and then moves vertically upward, at this time, after the driving rod 401 moves to the highest position, because the continuous rotation of the driving disc 404 moves downwards, at this time, the suction piece 301 moves, the connecting plate 203 moves towards the direction of the suction piece 301 through the linkage mechanism 5, the moving connecting plate 203 and the suction piece 301 can be realized only through one motor, and the continuous rotation of the output shaft of the motor drives the driving disc 404 to continuously rotate, no stagnation exists in the middle, that is, the faster the rotating speed of the motor, the higher the sampling efficiency is, so that the consistency is improved, the rotating speed of the motor can be improved as much as possible according to the actual situation, and the time required for sampling is reduced.
As shown in fig. 6 and 8, in some embodiments, the linkage mechanism 5 includes a sliding frame 501 horizontally slidably mounted on the carrier 201, a pushing plate 502 vertically rotatably mounted on the sliding frame 501 through a rotating shaft, a rod body 503 mounted on the sliding frame through an array along the length direction of the connecting plate 203, the rod body 503 is horizontally oriented, the pushing plate 502 pushes the outer peripheral side of the rod body 503 to drive the connecting plate 203 to move, a torsion spring 504 sleeved on the rotating shaft, one end of the torsion spring 504 is connected with the sliding frame 501, the other end is connected with the pushing plate 502, a step surface limiting the rotation and hinging of the pushing plate 502 is configured on the sliding frame 501, specifically, as shown in fig. 6, the torsion spring 504 is in a normal state, when the pushing plate 502 is rotated anticlockwise, one surface of the pushing plate 502 is abutted against the step surface through the step surface on the sliding frame 501, so that the rotation is impossible, the pushing plate 502 at this time can only rotate clockwise, and after the pushing plate 502 rotates clockwise, the pushing plate 502 is reset and props against the step surface by the elastic deformation characteristic of the torsion spring 504 to present the state of fig. 6, the linkage piece 7 for driving the sliding frame 501 to move horizontally and reciprocally is installed between the sliding frame 501 and the driving rod 401, that is, the sliding frame 501 moves horizontally and reciprocally through the linkage piece 7, so that when the connecting plate 203 needs to be moved, the sliding frame 501 moves at this time, the pushing plate 502 moves, thereby pushing one rod body 503 to move, because the rod body 503 is fixedly connected with the connecting plate 203, the rod body 503 moves through the pushing plate 502 in the direction of approaching the suction piece 301, thereby moving the connecting frame in the direction of approaching the connecting plate 203, and when the sliding frame 501 moves in the direction of separating from the suction piece 301, at this time, one side (such as the side in the drawing as the inclined plane) of the pushing plate 502 will contact with one of the rod bodies 503, the elasticity of the torsion spring 504 is insufficient to drive the connecting plate 203 to move, so when the pushing plate 502 contacts with the rod bodies 503, the pushing plate 502 will rotate clockwise to pass over the rod bodies 503, the torsion spring 504 will rotate to reset after passing over the rod bodies 503, so when the pushing plate 502 moves next time in the direction close to the suction piece 301, the connecting plate 203 can be normally pushed to move, preferably, two guide rods are symmetrically and horizontally installed on the carrier 201, the sliding frame 501 is slidably sleeved on the two guide rods to play a role of guiding and limiting, a guide rail is installed on the carrier 201, a sliding block is slidably installed on the guide rail, a plate body is installed on the sliding block, the plate body is connected with the plurality of placing seats 202, so that the placing seats 202 are more smooth when moving, the guide rail has a certain friction with the sliding block, and the torsion spring 504 has an insufficient elastic deformation force to enable the sliding block to move on the guide rail.
As shown in fig. 6, in some embodiments, the linkage 7 includes a transmission rod 701 with one end rotatably mounted on the carrier 201, one side of the transmission rod 701 is provided with a driving slot 702 along the length direction thereof, the sliding frame 501 is provided with a shaft 703 sliding tangent to the driving slot 702, one side of the transmission rod 701 is provided with a protruding rod 704 near the rotation point thereof, the free end of the protruding rod 704 is hinged with a linkage rod 705, the free end of the linkage rod 705 is hinged with the bottom end of the driving rod 401, when the driving rod 401 moves downwards, the linkage rod 705 moves, because the linkage rod 705 is hinged on the protruding rod 704 and the protruding rod 704 is further provided on the transmission rod 701, when the driving rod 401 moves downwards, the transmission rod 701 rotates, so that the position of the driving slot 702 changes, because the driving slot 702 slides tangent to the shaft 703, and thus the shaft 703 moves along the length direction of the driving slot 702 and rotates along the self axis, so that the sliding frame 501 fixedly connected with the shaft 703 is forced to move, so that the sliding frame 501 moves towards the suction member 301, when the driving rod 401 moves upwards, and when the driving rod 401 moves upwards, the driving rod 703 moves away from the suction member 301.
As shown in fig. 2, 4 and 8, in some embodiments, the suction piece 301 includes a connection barrel 3011 installed on the carrier 201, a sliding rod 3012 is vertically sleeved in the connection barrel 3011 in a sliding manner, a sampling needle 3013 is installed at the bottom end of the sliding rod 3012, the bottom end of the sampling needle 3013 passes through the bottom of the connection barrel 3011, a communication hole 3014 is formed at one end inside the connection barrel 3011, a sampling tube 3015 is communicated with one side of the bottom of the connection barrel 3011, a micro water pump 3016 is installed on the sampling tube 3015, the free end of the sampling tube 3015 is connected with the inside of the detection frame 1, the transmission assembly 6 is connected with the sliding rod 3012, that is, when the suction piece 301 moves downwards, specifically, the sliding rod 3012 moves downwards to drive the sampling needle 3013 to move downwards, so that the sampling needle 3013 is inserted into the detection bottle, liquid in the detection bottle is pumped into the sampling needle 3013 through the micro water pump 3016, the liquid is introduced into the sampling tube 3015 through the communication hole 3014, and finally enters the detection bottle, the detection bottle is in a specific state, the liquid pump 3016 is continuously pulled out in the state, and the detection bottle is continuously in a state after the detection bottle is in a state of being inserted into the detection bottle, and the detection bottle is continuously in a state.
As shown in fig. 2, fig. 4 and fig. 8, in some embodiments, the transmission assembly 6 includes a rotating disc 601 rotatably mounted on the carrier 201, a rotating disc 602 coaxially disposed on the rotating disc 601 is rotatably mounted on the carrier 201, a plurality of transmission grooves 603 are formed in a circular array on the outer periphery of the rotating disc 602, the top surface of the sliding rod 3012 passes through the connecting tube 3011 and is in an inclined plane design, a protruding plate 608 is configured on the outer periphery of the sliding rod 3012, a reset spring 604 is mounted between the protruding plate 608 and the connecting tube 3011, a mounting cylinder 605 is mounted on the rotating disc 601, a toggle rod 606 is slidably inserted at one end of the mounting cylinder 605, one end of the toggle rod 606 is located on the outside and is configured as an inclined plane, the inclined plane of the toggle rod 606 is opposite to the inclined plane of the sliding rod 3012, all used for being clamped in the transmission groove 603, a return spring 607 is mounted between the rotating disc 601 and the driving rod 401, and in particular, one end of the transmission rod 609 is eccentrically hinged on the rotating disc 601, when the driving rod 401 moves up from bottom to top, the driving rod 609 moves, the rotating disc 609 moves, and when the driving rod 605 is hinged on the rotating disc 602, the rotating disc 602 rotates in an opposite direction, the rotating disc 602 rotates in a counter-clockwise direction, and the number of rotation of the rotating disc 602 is detected by rotating disc 602, and the rotating disc 602 rotates in a counter-clockwise direction, and the number of rotation of the rotating disc 602, and the rotating disc 602 rotates in a counter-clockwise direction, and rotates by 60 when the rotating disc 602, and rotates in a counter-clockwise direction when the rotating disc 602, and rotates around the rotating disc 602, when the driving rod 602 rotates around the rotating disc 602 and rotates around a counter-clockwise rotation, when the rotating disc 602 when the rotating rod 602 and rotates in a counter-clockwise rotation is detected when rotating shaft is rotatably by the rotating shaft 602 and rotates in rotation. As shown in fig. 8, the inclined surface on the sliding rod 3012 contacts with the transmission groove 603 because the rotating disc 602 rotates counterclockwise, so that the sliding rod 3012 is forced to move downward, so that the sampling needle 3013 on the sliding rod 3012 moves downward, the return spring 604 is in a compressed state until the sliding rod 3012 moves into the next transmission groove 603, the return spring 604 returns due to self elastic deformation, so that the sliding rod 3012 moves upward, and similarly, when the driving rod 401 moves from top to bottom, the rotating disc 601 rotates clockwise, because the inclined surface of the toggle rod 606 is opposite to the inclined surface of the sliding rod 3012, the inclined surface on the toggle rod 606 contacts with the corresponding transmission groove 603, so that the toggle rod 606 contracts backward, the return spring 607 is in a compressed state until the toggle rod 606 rotates into the next transmission groove 603, the return spring 607 returns due to self elastic deformation, and the rotating disc 602 does not rotate, so that the outer circumference side of the sliding rod 3012 abuts against the transmission groove 603, so that the sliding rod 3012 is prevented from moving clockwise.
As shown in fig. 5 and 6, in some embodiments, the top of the placement base 202 is provided with the mounting base 8, the outer peripheral side of the mounting base 8 is vertically rotatably provided with the abutting rod 10, the free end of the abutting rod 10 is rotatably provided with the arc abutting block 11, the mounting base 8 is provided with the driving piece 9 for driving the abutting rod 10 to rotate, that is, after the detection bottle is placed on the mounting base 8, the abutting rod 10 is rotated through the driving piece 9, so that a plurality of arc abutting blocks 11 are abutted against the detection bottle, and therefore the phenomenon that the detection bottle falls down when the connecting plate 203 moves can be prevented, and the stability is improved.
As shown in fig. 2, 5 and 12, in some embodiments, a guide rod 903 is vertically installed in a mounting seat 8, a driving piece 9 includes a sensing sleeve 901 vertically sleeved on the guide rod 903 in a sliding manner, the top end of the sensing sleeve 901 passes through the top of the mounting seat 8 and is located outside, a connecting spring 902 is installed between the mounting seat 8 and the sensing sleeve 901, a plurality of butt rods 904 are configured in a circular array on the outer periphery side of the sensing sleeve 901, a hinging rod 905 is installed between the butt rods 904 and the butt rods 10, after a detection bottle is placed at the top of the mounting seat 8, the detection bottle can press the sensing sleeve 901 to move downwards, so as to drive the plurality of butt rods 904 to move, and the free ends of the plurality of butt rods 10 can move towards the direction of the detection bottle, so that a plurality of arc-shaped butt blocks 11 are contacted with the detection bottle, thereby realizing the effect of quick positioning, the connecting spring 902 at this moment is in a compressed state, and when the detection bottle is extracted, the connecting spring 902 is reset at this moment, so that the free ends of the plurality of butt rods 10 are mutually far away.
As shown in fig. 2, 5 and 12, in some embodiments, the mounting seat 8 is rotatably mounted on the mounting seat 202, the mounting seat 202 is rotatably mounted with the large gear 12, the mounting seat 202 is rotatably mounted with the small gear 13 meshed with the large gear 12, the carrier 201 is mounted with the driving rack 14 meshed with the large gear 12, the bevel gear assembly 15 is mounted between the small gear 13 and the mounting seat 8, specifically, the bevel gear assembly 15 is two bevel gears meshed with each other, one is mounted on the bottom of the mounting seat 8, the other is mounted on the small gear 13, that is, when the connecting plate 203 moves to drive the plurality of mounting seats 202 to move, the large gear 12 is meshed with the driving rack 14, so that the large gear 12 rotates to drive the corresponding small gear 13 to rotate, the small gear 13 is connected with the mounting seat 8 through the bevel gear assembly 15, so that the detecting bottle placed on the mounting seat 8 rotates, a certain amount of diluent is required to be added into the detecting bottle, and then the detecting bottle is required to be uniformly shaken when the detecting bottle 203 moves, but the detecting bottle is required to be directly rotated.
As shown in fig. 2, fig. 4, fig. 5 and fig. 12, in some embodiments, a spring telescopic rod 16 is installed on the bearing frame 201, a ball 17 is configured at a free end of the spring telescopic rod 16, a positioning arc groove 18 for inserting the ball 17 is formed in the placing seat 202, the arc-shaped supporting block 11 is made of rubber, as shown in fig. 11, the spring telescopic rod 16 is of a conventional structure, and is composed of a sleeve, a sleeve rod slidably installed on the sleeve, and a spring installed between the sleeve and the sleeve rod, the ball 17 is configured at one end of the sleeve rod, the ball 17 is inserted into the corresponding positioning arc groove 18 whenever the moving plate moves a certain position to enable the next detection bottle to be located below the sampling needle 3013, the ball 17 plays a limiting role, the situation that the detection bottle and the sampling needle 3013 are misplaced due to the fact that the connecting plate 203 moves too far caused by inertia is prevented, when the connecting plate 203 moves normally, the ball 17 pushes the positioning arc groove 18 does not affect the normal movement of the connecting plate 203, the rubber material of the arc-shaped supporting block 11 can prevent the mounting seat 8 from rotating, and the friction effect is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A gas chromatography mass spectrometry detection apparatus comprising a detection housing (1), characterized in that it further comprises:
the feeding mechanism (2) comprises a connecting plate (203) and a bearing frame (201) arranged on the detection rack (1), wherein a plurality of placing seats (202) for placing detection bottles are horizontally and slidably arranged on the bearing frame (201), and the plurality of placing seats (202) are in a linear array and are connected with the connecting plate (203);
a sampling mechanism (3) comprising a suction piece (301) vertically slidably mounted on the carrier (201) for drawing the liquid inside the test bottle into the test rack (1);
a driving mechanism (4) mounted on the carrier (201) and acting on the suction piece (301) for driving the suction piece (301) to move vertically;
and the linkage mechanism (5) is arranged on the bearing frame (201) and acts on the connecting plate (203), the linkage mechanism (5) is connected with the driving mechanism (4), and when the driving mechanism (4) is used for enabling the suction piece (301) to move from bottom to top after sampling, the connecting plate (203) is enabled to move towards the suction piece (301) through the linkage mechanism (5).
2. A gas chromatograph mass spectrometer according to claim 1, characterized in that the driving mechanism (4) comprises a driving rod (401) vertically and slidably mounted on the carrying frame (201), one side of the driving rod (401) is provided with a horizontal connecting rod (402), one side of the connecting rod (402) is provided with a movable slot (403) along the length direction of the connecting rod, the carrying frame (201) is rotatably mounted with a driving disc (404), one side of the driving disc (404) is eccentrically provided with a post rod (405) which is slidably tangent to the movable slot (403), the driving rod (401) is connected with the linkage mechanism (5), a transmission assembly (6) is mounted between the suction piece (301) and the driving rod (401), when the driving rod (401) moves from top to bottom, the suction piece (301) is reset after being vertically moved downwards by the transmission assembly (6), and when the driving rod (401) moves, the linkage mechanism (5) is used for enabling the connection plate (203) to move in the direction of the suction piece (301).
3. The gas chromatography mass spectrometry detection apparatus according to claim 2, wherein the linkage mechanism (5) comprises a sliding frame (501) horizontally slidably mounted on the carrying frame (201), a pushing plate (502) vertically rotatably mounted on the sliding frame (501) through a rotating shaft, a rod body (503) mounted on the connecting plate (203) in a length direction array, a torsion spring (504) sleeved on the rotating shaft, one end of the torsion spring (504) is connected with the sliding frame (501), the other end of the torsion spring is connected with the pushing plate (502), a step surface limiting the sliding plate (502) to rotate and hinge is configured on the sliding frame (501), and a linkage piece (7) driving the sliding frame (501) to horizontally reciprocate is mounted between the sliding frame (501) and the driving rod (401).
4. A gas chromatograph mass spectrometer as claimed in claim 3, wherein the linkage member (7) comprises a transmission rod (701) with one end rotatably mounted on the carrier (201), a driving groove (702) is formed in one side of the transmission rod (701) along the length direction of the transmission rod, a shaft lever (703) which is in sliding tangency with the driving groove (702) is constructed on the sliding frame (501), a protruding rod (704) is constructed at a position, close to the rotation point, of one side of the transmission rod (701), a linkage rod (705) is hinged at the free end of the protruding rod (704), and the free end of the linkage rod (705) is hinged with the bottom end of the driving rod (401).
5. The gas chromatography mass spectrometry detection apparatus according to claim 2, wherein the suction piece (301) comprises a connecting cylinder (3011) installed on the bearing frame (201), a sliding rod (3012) is vertically sleeved in the connecting cylinder (3011) in a sliding manner, a sampling needle (3013) is installed at the bottom end of the sliding rod (3012), the bottom end of the sampling needle (3013) penetrates through the bottom of the connecting cylinder (3011), a communication hole (3014) is formed in one end inside the connecting cylinder (3011), a sampling pipe (3015) is communicated with one side of the bottom of the connecting cylinder (3011), a micro water pump (3016) is installed on the sampling pipe (3015), the free end of the sampling pipe (3015) is connected with the inside of the detecting frame (1), and the transmission assembly (6) is connected with the sliding rod (3012).
6. The gas chromatograph mass spectrometer detection device according to claim 5, wherein the transmission assembly (6) comprises a rotary disc (601) rotatably mounted on the carrier (201), a rotary disc (602) coaxial with the rotary disc (601) is rotatably mounted on the carrier (201), a plurality of transmission grooves (603) are formed in a circular array on the outer periphery of the rotary disc (602), the top surface of the sliding rod (3012) penetrates through the connecting cylinder (3011) and is in an inclined plane design, a convex plate (608) is formed on the outer periphery of the sliding rod (3012), a reset spring (604) is mounted between the convex plate (608) and the connecting cylinder (3011), a mounting cylinder (605) is mounted on the rotary disc (601), a toggle rod (606) is slidably inserted at one end of the mounting cylinder (605), one end of the toggle rod (606) is located outside and is configured to be inclined, the inclined plane of the toggle rod (606) is opposite to the inclined plane of the sliding rod (3012), the sliding rod is used for being clamped in the transmission grooves (603), and the reset spring (605) is mounted between the mounting cylinder (605) and the mounting cylinder (609), and the reset spring (609).
7. The gas chromatography mass spectrometry detection apparatus according to claim 1, wherein the mounting base (8) is mounted on the top of the placement base (202), the abutment rod (10) is vertically rotatably mounted on the outer peripheral side of the mounting base (8), the arc abutment block (11) is rotatably mounted on the free end of the abutment rod (10), and the driving member (9) for driving the abutment rod (10) to rotate is mounted on the mounting base (8).
8. The gas chromatography mass spectrometry detection apparatus according to claim 7, wherein a guide rod (903) is vertically installed in the installation seat (8), the driving member (9) comprises an induction sleeve (901) vertically sleeved on the guide rod (903) in a sliding manner, the top end of the induction sleeve (901) passes through the top of the installation seat (8) and is located outside, a connecting spring (902) is installed between the installation seat (8) and the induction sleeve (901), a plurality of butt joint rods (904) are configured in a circular array on the outer periphery side of the induction sleeve (901), and a hinge rod (905) is installed between the butt joint rods (904) and the butt joint rods (10).
9. A gas chromatograph mass spectrometer as claimed in claim 1, wherein the mounting base (8) is rotatably mounted on the mounting base (202), a large gear (12) is rotatably mounted on the mounting base (202), a small gear (13) engaged with the large gear (12) is rotatably mounted on the mounting base (202), a driving rack (14) engaged with the large gear (12) is mounted on the carrier (201), and a bevel gear assembly (15) is mounted between the small gear (13) and the mounting base (8).
10. The gas chromatography mass spectrometry detection apparatus according to claim 7, wherein a spring telescopic rod (16) is mounted on the bearing frame (201), a ball body (17) is configured at a free end of the spring telescopic rod (16), a positioning arc groove (18) for inserting the ball body (17) is formed in the placement seat (202), and the arc-shaped abutting block (11) is made of rubber.
CN202310481359.4A 2023-04-27 2023-04-27 Gas chromatography mass spectrometry detection equipment Active CN116500165B (en)

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