CN210401337U

CN210401337U - Gas chromatography-mass spectrometer

Info

Publication number: CN210401337U
Application number: CN201920986546.7U
Authority: CN
Inventors: 陈建斌
Original assignee: Yiwu Prosais Testing Technology Co Ltd
Current assignee: Yiwu Prosais Testing Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a gas chromatography-mass spectrometry combination instrument, including organism, detector, sample detection platform, the upper surface of organism is provided with the frame, the leg joint of link and door type is passed through to both sides around the frame, the right side of support is provided with the guide rail groove, guide rail inslot slidable mounting has the slide, and the right side bottom of slide extend to the outside in guide rail groove and with the top fixed connection of detector. This gas chromatography-mass spectrometry combination appearance removes the below to the detector with the test tube sample of sample detection bench through mechanized operation, has reduced work load, can change the detection position of the fore-and-aft direction of detector according to the test tube position that the sample detection bench was put to have different samples in addition, has avoided the experimenter to manually remove the test tube sample of sample detection bench to the trouble of detector below for work efficiency improves greatly.

Description

Gas chromatography-mass spectrometer

Technical Field

The utility model relates to a detect technical field, especially relate to a gas chromatography mass spectrometer.

Background

The gas chromatography-mass spectrometer is widely applied to the fields of environmental protection industry, electronic industry, textile industry, petrochemical industry, essence and spice industry, medicine industry, agriculture, food safety and the like; analyzing organic pollutants in the environment (analyzing air, water quality and pollution in soil); analyzing pesticide residues, animal residues and medicine residues; analyzing aroma components of the essence and the spice; detection of harmful substances in the textile industry.

The gas chromatography-mass spectrometer comprises a vacuum system, a sample introduction system, an ion source, a mass analyzer, a detector and a workstation for collecting data and controlling the instrument, wherein the sample introduction system samples a sample into a test tube, and then the detector is used for detecting the sampled sample below.

However, a large amount of comparison and detection needs to be performed on the samples of the existing detection data, so that the detector is required to detect different samples, and in the actual detection process, an experimenter needs to frequently and manually move the samples in the test tubes on the sample detection table to the lower part of the detector so as to facilitate detection, so that the workload is large and tedious, the experimental time is prolonged, the efficiency is reduced, and therefore, the gas chromatography-mass spectrometer is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas chromatography-mass spectrometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas chromatography-mass spectrometry combination instrument comprises an instrument body, a detector and a sample detection table, wherein a frame is arranged on the upper surface of the instrument body, the front side and the rear side of the frame are connected with a door-shaped support through a connecting frame, a guide rail groove is formed in the right side of the support, a slide seat is slidably mounted in the guide rail groove, the bottom of the right side of the slide seat extends to the outer side of the guide rail groove and is fixedly connected with the top of the detector, a groove is formed in one side, close to the guide rail groove, of the slide seat, a mounting groove is formed in the inner wall of the bottom of the groove, a stepping motor is mounted in the mounting groove, an output shaft of the stepping motor is fixedly connected with a wheel shaft, the top end of the wheel shaft is rotatably mounted on the inner wall of the top of the groove, a transmission gear is, the utility model discloses a sample test platform, including frame, sample test platform, lead screw, the left end of lead screw is rotated and is installed on frame left side inner wall, the right-hand member of lead screw rotates the output shaft that runs through to the outside of frame and fixed connection servo motor, the upper surface equipartition that the sample detected the platform is provided with a plurality of test tube standing grooves, and is a plurality of the test tube of depositing the sample has been placed respectively in the test tube standing groove.

Preferably, all be equipped with the direction spout on the both sides inner wall around the frame, both sides all are provided with the lug around the sample test platform, and the sample test platform passes through lug and direction spout sliding connection.

Preferably, a bearing installation groove is formed in the inner wall of the left side of the frame, a first bearing is fixedly installed in the bearing installation groove, and the left end of the screw rod is rotatably installed on the first bearing.

Preferably, the inner wall of the right side of the frame is provided with a mounting hole, a second bearing is fixedly mounted in the mounting hole, and the screw rod is rotatably mounted on the second bearing.

Preferably, a placing groove is formed in the inner wall of the top of the groove, a bearing seat is fixedly mounted in the placing groove, and the top end of the wheel shaft is rotatably mounted on the bearing seat.

Preferably, the top and the bottom of the sliding seat in the guide rail groove are both provided with sliding blocks, the top inner wall and the bottom inner wall of the guide rail groove are both provided with sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves.

Preferably, a power socket is arranged below the front side of the machine body, a controller is arranged on the front side of the frame, the output end of the power socket is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input ends of the stepping motor, the detector and the servo motor respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the gas chromatography-mass spectrometer uses the matching of the servo motor, the screw rod screw hole, the lug and the guide sliding groove, so that the sample detection platform can carry out thread transmission on the screw rod through the screw rod screw hole, and further, a test tube with a sample stored on the sample detection platform can be moved to the lower part of the detector, so that the detector can conveniently detect the sample in the test tube, thereby avoiding the problem that in the prior art, an experimenter needs to frequently and manually move the test tube sample on the sample detection platform to the lower part of the detector, reducing the workload and improving the working efficiency;

2. this gas chromatography-mass spectrometer, still utilize step motor's positive and negative rotation to drive epaxial drive gear rotation of wheel, drive gear when rotatory with gear groove meshing transmission, and then drive the slide and slide in the guide rail inslot, the slide drives the position of detector again and removes the regulation, can change the detection position of the fore-and-aft direction of detector according to the test tube position that the sample detected the bench deposit has different samples like this, avoided the manual trouble that removes the test tube sample to the detector below with the sample detection bench, make work efficiency improve greatly.

In conclusion, this gas chromatography-mass spectrometry combination appearance moves the test tube sample on the sample detection platform to the below of detector through mechanized operation, has reduced experimenter's work load, can change the detection position of the fore-and-aft direction of detector according to the test tube position that the sample detected the bench and had the different samples of storage in addition, has avoided the experimenter to manually move the test tube sample on the sample detection platform to the trouble of detector below for work efficiency improves greatly.

Drawings

Fig. 1 is a schematic structural diagram of a gas chromatography-mass spectrometer provided by the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

fig. 3 is a schematic view of the connection structure of the middle sliding seat and the detector of the present invention.

In the figure: 1. a body; 2. a frame; 3. a connecting frame; 4. a support; 5. a guide rail groove; 6. a slide base; 61 grooves; 62. a stepping motor; 63. a wheel axle; 64. a transmission gear; 65. a bearing seat; 66. a slider; 7. a detector; 8. a gear groove; 9. a sample detection station; 10. a servo motor; 11. a screw rod; 12. a screw hole of the screw rod; 13. a first bearing; 14. a second bearing; 15. a bump; 16. a guide chute; 17. a test tube; 18. a power socket; 19. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas chromatography-mass spectrometry combination instrument comprises an instrument body 1, a detector 7 and a sample detection table 9, wherein a frame 2 is arranged on the upper surface of the instrument body 1, the front side and the back side of the frame 2 are connected with a door-shaped bracket 4 through a connecting frame 3, a guide rail groove 5 is arranged on the right side of the bracket 4, a slide seat 6 is arranged in the guide rail groove 5 in a sliding manner, the bottom of the right side of the slide seat 6 extends to the outer side of the guide rail groove 5 and is fixedly connected with the top of the detector 7, a groove 61 is arranged on one side of the slide seat 6 close to the guide rail groove 5, a mounting groove is arranged on the inner wall of the bottom of the groove 61, a stepping motor 62 is arranged in the mounting groove, an output shaft of the stepping motor 62 is fixedly connected with a wheel shaft 63, the top end of the wheel shaft 63, and drive gear 64 is connected with 8 meshing transmissions in gear groove, 9 slidable mounting of sample test platform in frame 2, the terminal surface of sample test platform 9 runs through there is the lead screw 12, there is lead screw 11 through threaded connection in the lead screw 12, the left end of lead screw 11 is rotated and is installed on frame 2 left side inner wall, the right-hand member of lead screw 11 rotates the output shaft that runs through to the outside of frame 2 and fixed connection servo motor 10, the upper surface equipartition that the sample tested platform 9 was provided with a plurality of test tube standing grooves, and place the test tube 17 who has deposited the sample in a plurality of test tube standing grooves respectively.

This gas chromatography-mass spectrometry combination appearance moves the test tube sample on the sample detection platform 9 to the below of detector 7 through mechanized operation, has reduced work load, can change the detection position of the fore-and-aft direction of detector 7 according to the test tube 17 position that deposits different samples on the sample detection platform 9 in addition, has avoided the experimenter to move the test tube sample on the sample detection platform to the trouble of detector 7 below manually for work efficiency improves greatly.

Specifically, the inner walls of the front side and the rear side of the frame 2 are provided with guide chutes 16, the front side and the rear side of the sample detection platform 9 are provided with bumps 15, and the sample detection platform 9 is slidably connected with the guide chutes 16 through the bumps 15.

Specifically, a bearing installation groove is formed in the inner wall of the left side of the frame 2, a first bearing 13 is fixedly installed in the bearing installation groove, and the left end of the screw rod 11 is rotatably installed on the first bearing 13.

Specifically, a mounting hole is formed in the inner wall of the right side of the frame 2, a second bearing 14 is fixedly mounted in the mounting hole, and the screw rod 11 is rotatably mounted on the second bearing 14.

Specifically, a placing groove is formed in the inner wall of the top of the groove 61, a bearing seat 65 is fixedly mounted in the placing groove, and the top end of the wheel shaft 63 is rotatably mounted on the bearing seat 65.

Specifically, the top and the bottom of the slide seat 6 in the guide rail groove 5 are both provided with a slide block 66, the top inner wall and the bottom inner wall of the guide rail groove 5 are both provided with a slide groove, and the slide block 66 is connected with the slide groove in a sliding manner.

Specifically, a power socket 18 is arranged below the front side of the machine body 1, a controller 19 is arranged on the front side of the frame 2, the output end of the power socket 18 is electrically connected with the input end of the controller 19, and the output end of the controller 19 is electrically connected with the input ends of the stepping motor 62, the detector 7 and the servo motor 10 respectively; it should be noted that, the controller 19 of the present invention adopts the existing control technology for controlling the stepping motor 62, the detector 7 and the servo motor 10, and is not described herein again.

When the screw rod testing device is used, the servo motor 10 is utilized to drive the screw rod 11 to rotate, the screw rod 11 and the screw rod screw hole 12 rotate relatively, and meanwhile, the sample testing table 9 is in sliding fit with the guide sliding groove 16 through the bump 15, so that when the screw rod 11 rotates, the sample testing table 9 can perform thread transmission on the screw rod 11 through the screw rod screw hole 12, and further, a test tube 17, which is provided with a sample and is arranged on the sample testing table 9, can be moved to the lower part of the detector 7, so that the detector 7 can inspect the sample in the test tube 17, the problem that in the prior art, an experimenter needs to frequently and manually move the test tube sample on the sample testing table 9 to the lower part of the detector 7 is avoided, the workload is reduced; and still utilize step motor 62 just reverse to drive the drive gear 64 rotation on the shaft 63, drive gear 64 meshes the transmission with gear groove 8 when rotatory, and then drive slide 6 and slide in guide rail groove 5, slide 6 drives the position of detector 7 again and removes the regulation, can change the detection position of the fore-and-aft direction of detector 7 according to the test tube 17 position that deposits different samples on the sample detection platform 9 like this, avoided the laboratory technician manual test tube sample with the sample detection bench to remove the trouble to detector 7 below, make work efficiency improve greatly.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gas chromatography-mass spectrometry combination instrument, includes organism (1), detector (7), sample detection platform (9), its characterized in that, the upper surface of organism (1) is provided with frame (2), both sides are connected through link (3) and support (4) of door type around frame (2), the right side of support (4) is provided with guide rail groove (5), slidable mounting has slide (6) in guide rail groove (5), the right side bottom of slide (6) extend to the outside in guide rail groove (5) and with the top fixed connection of detector (7), one side that slide (6) are close to guide rail groove (5) is provided with recess (61), be equipped with the mounting groove on the bottom inner wall of recess (61), install step motor (62) in the mounting groove, the output shaft fixedly connected with shaft (63) of step motor (62), the top end of the wheel shaft (63) is rotatably installed on the inner wall of the top of the groove (61), a transmission gear (64) is fixedly sleeved on the wheel shaft (63), a gear groove (8) is formed in the inner wall of one side, away from the notch of the guide rail groove (5), the transmission gear (64) is in meshing transmission connection with the gear groove (8), the sample detection table (9) is slidably installed in the frame (2), a screw rod screw hole (12) penetrates through the end face of the sample detection table (9), a screw rod (11) is connected in the screw rod screw hole (12) through threads, the left end of the screw rod (11) is rotatably installed on the inner wall of the left side of the frame (2), the right end of the screw rod (11) is rotatably penetrated to the outer side of the frame (2) and is fixedly connected with an output shaft of a servo motor (10), and a plurality of test tube placing grooves are, test tubes (17) for storing samples are respectively placed in the test tube placing grooves.

2. The gas chromatography-mass spectrometer as claimed in claim 1, wherein the frame (2) has guide chutes (16) on the inner walls of the front and rear sides thereof, the sample testing platform (9) has bumps (15) on the front and rear sides thereof, and the sample testing platform (9) is slidably connected to the guide chutes (16) through the bumps (15).

3. The gas chromatography-mass spectrometer as claimed in claim 1, wherein a bearing mounting groove is formed in the inner wall of the left side of the frame (2), a first bearing (13) is fixedly mounted in the bearing mounting groove, and the left end of the screw rod (11) is rotatably mounted on the first bearing (13).

4. The gas chromatography-mass spectrometer as claimed in claim 1, wherein a mounting hole is provided on the right inner wall of the frame (2), a second bearing (14) is fixedly mounted in the mounting hole, and the screw rod (11) is rotatably mounted on the second bearing (14).

5. The gas chromatography-mass spectrometer as claimed in claim 1, wherein a placing groove is formed on the inner wall of the top of the groove (61), a bearing seat (65) is fixedly installed in the placing groove, and the top end of the wheel shaft (63) is rotatably installed on the bearing seat (65).

6. The gas chromatograph-mass spectrometer according to claim 1, wherein the slide (6) in the guide rail groove (5) is provided with slide blocks (66) at the top and bottom, the slide grooves are provided on the inner walls of the top and bottom of the guide rail groove (5), and the slide blocks (66) are slidably connected with the slide grooves.

7. The gas chromatography-mass spectrometer as claimed in claim 1, wherein a power socket (18) is disposed below the front side of the body (1), a controller (19) is disposed on the front side of the frame (2), an output end of the power socket (18) is electrically connected to an input end of the controller (19), and an output end of the controller (19) is electrically connected to input ends of the stepping motor (62), the detector (7) and the servo motor (10), respectively.