CN115876912A - Gas chromatography-mass spectrometer with improved structure - Google Patents

Abstract

The invention discloses a gas chromatography-mass spectrometer with an improved structure, which comprises a gas chromatography-mass spectrometer main body, a detection chamber, an uncovering component, a detection component, a moving component, an installation rod, a limiting rod, a first support, an installation rack, a chute, a roller, a second sleeve, a second threaded cylinder, a fifth gear, a third screw rod, a second connecting rod, a second support, a first rotating plate, a second rotating plate and a support plate, wherein the uncovering component is designed to open a sealed test tube after being sent into equipment for detection, so that a sample is prevented from being influenced by the surrounding environment; the detection assembly designed by the invention provides a protection function for the detection needle, can be automatically opened before detection, and automatically resets after detection; the movable assembly designed by the invention provides two modes of fixing and moving for equipment, and the assembly is integrally fixed below the equipment and can be directly replaced without disassembling the inside of the equipment.

Description

Gas chromatography-mass spectrometer with improved structure

Technical Field

The invention relates to the technical field of analytical instruments, in particular to a gas chromatography-mass spectrometer with an improved structure.

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, pharmaceutical industry, agriculture, food safety and the like, is mainly used for analyzing organic pollutants in the environment, analyzing pesticide residues, animal residues and drug residues, analyzing aroma components of essence and spice and detecting harmful substances in the textile industry, and the conventional gas chromatography-mass spectrometer directly puts a test tube into equipment when in use and then uses a detection needle for detection, so that a sample is difficult to avoid being polluted by the surrounding environment and is not beneficial to ensuring the precision of a detection result; the detection needle of the existing gas chromatography-mass spectrometer is easily damaged due to the fact that the detection needle is not provided with a protection facility; the existing gas chromatography-mass spectrometer has overlarge volume, so that the inconvenience is caused when equipment is moved.

Disclosure of Invention

The invention aims to provide a gas chromatograph-mass spectrometer with an improved structure so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an improve gas chromatography mass spectrometer of structure, including gas chromatography mass spectrometer main part, be provided with the detection room in the gas chromatography mass spectrometer main part, the internally mounted of detection room has the subassembly of uncapping, the subassembly of uncapping includes first motor, first pivot, first gear, the carousel, flat tooth, first guide post, the test tube, sealed lid, the mount table, first annular, the second guide post, the second pivot, the spacing key, telescopic cylinder, the tongs, the nose bar, the second gear, mounting panel and second annular, the first motor of inside fixedly connected with of detection room, first pivot is installed to the output of first motor, first gear is installed on the top of first pivot, one side meshing of first gear is connected with the carousel, the bottom of carousel is provided with the test tube, the top threaded connection of test tube has sealed lid, and sealed lid cup joints in the bottom of carousel, the top of carousel is provided with the mount table, and the mount table is installed on the top inner wall of detection room.

Preferably, be provided with the flat tooth on the carousel, and the meshing of flat tooth connects in one side of first gear, and first guide post has been cup jointed to the top symmetry of carousel, and first annular has been seted up to the bottom of mount table, and the one end sliding connection of first guide post in the inside of first annular, and the top fixedly connected with second guide post of mount table has seted up the spout on the top inner wall of detection room, and the one end sliding connection of second guide post in the inside of spout.

Preferably, the opposite side of first gear is provided with the second gear, the inside fixedly connected with mounting panel of second gear, the second pivot has been cup jointed in the inside of mounting panel, and the one end of second pivot is installed in one side of mount table, the symmetry is provided with the spacing key in the second pivot, one side of second pivot is provided with telescopic cylinder, telescopic cylinder's output fixedly connected with tongs, the inside symmetry of tongs is fixed with the nose bar, the second annular groove has been seted up to the bilateral symmetry of mounting panel, and the one end sliding connection of nose bar is in the inside of second annular groove.

Preferably, the internally mounted who detects the room has the determine module, the determine module includes the second motor, first lead screw, the slider, the connecting plate, lead to the groove, detect the needle, the guard plate, first axle bed, the mount pad, the solid fixed cylinder, first connecting rod, spring and second axle seat, the inside that detects the room is provided with the second motor, first lead screw is installed to the output of second motor, threaded connection has the slider on the first lead screw, one side fixedly connected with connecting plate of slider, the detect needle is installed to the bottom of connecting plate, and detect the needle and set up in the top of test tube, the bottom distribution of connecting plate installs first axle bed, install the guard plate on the first axle bed, and the guard plate sets up in one side of detecting the needle.

Preferably, the inside fixedly connected with mount pad of detection room, the bottom symmetry of mount pad is fixed with the solid fixed cylinder, and logical groove has been seted up to the top symmetry of connecting plate, and the solid fixed cylinder cup joints in the inside that leads to the groove, and the inside of solid fixed cylinder has cup jointed first connecting rod, installs the spring on the first connecting rod, and the one end of spring is installed in the inside of solid fixed cylinder, and the second axle seat is installed to the bottom of first connecting rod, and second axle seat sliding connection is in one side of guard plate.

Preferably, the removal subassembly is installed to the bottom of gas chromatography-mass spectrometer main part, the removal subassembly includes the casing, revolving cylinder, the third gear, first sleeve, first thread section of thick bamboo, the fourth gear, the second lead screw, the bottom plate, the installation pole, the gag lever post, first support, the mounting bracket, the chute, the gyro wheel, the second sleeve, second thread section of thick bamboo, the fifth gear, the third lead screw, the second connecting rod, the second support, first turning plate, second turning plate and backup pad, the bottom distribution of gas chromatography-mass spectrometer main part is fixed with the casing, the inside fixed connection of casing has revolving cylinder, the third gear is installed to revolving cylinder's output, one side meshing of third gear is connected with the fourth gear, the inside fixed connection of fourth gear has first thread section of thick bamboo, the top fixedly connected with first sleeve of first thread section of thick bamboo, and first sleeve rotates and connects on the top inner wall of casing, the opposite side meshing of third gear is connected with the fifth gear, the inside fixedly connected with second thread section of thick bamboo of fifth gear, the top fixedly connected with second thread section of thick bamboo, and the top inner wall of second sleeve rotates on the casing.

Preferably, the inside gearing of the first thread cylinder is connected with a second lead screw, the second lead screw is connected with the bottom of the shell in a sliding manner, the bottom plate is installed at the bottom of the second lead screw, a first support is arranged at the bottom of the bottom plate, the first support is fixedly connected with the bottom of the shell, an installation frame is rotatably connected to the first support, and the idler wheel is installed at the bottom of the installation frame.

Preferably, the bottom symmetry of bottom plate is fixed with the installation pole, and the chute has been seted up to the bottom fixedly connected with gag lever post of installation pole, symmetry on the first support, and the one end sliding connection of gag lever post is in the inside of chute.

Preferably, the inside of the second sleeve is engaged with a third screw rod, the third screw rod is connected to the bottom end of the shell in a sliding mode, a second connecting rod is installed at the bottom end of the third screw rod, one end of the second connecting rod is rotatably connected with a supporting plate, the top end of the supporting plate is rotatably connected with a second rotating plate, the top end of the second rotating plate is rotatably connected with a first rotating plate, a second support is fixedly connected to the bottom end of the shell, and the first rotating plate is rotatably connected to the second support.

Compared with the prior art, the invention has the beneficial effects that: compared with the existing gas chromatography-mass spectrometer, the uncapping assembly designed by the invention can open and detect the sealed test tube after the test tube is sent into equipment, so that the sample is prevented from being influenced by the surrounding environment; the detection assembly designed by the invention provides a protection function for the detection needle, can be automatically opened before detection, and automatically resets after detection; the movable assembly designed by the invention provides two modes of fixing and moving for equipment, and the assembly is integrally fixed below the equipment and can be directly replaced without disassembling the inside of the equipment.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the detection chamber of the present invention;

FIG. 4 is an enlarged view of the structure of the area B in FIG. 3;

FIG. 5 is an enlarged view of the structure of the area C in FIG. 3;

FIG. 6 is a schematic view of a cutaway top view of the chute of the present invention;

FIG. 7 is a schematic top view of a second gear of the present invention;

FIG. 8 is a schematic perspective cut-away view of the moving assembly of the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 8 in the area D;

in the figure: 1. a gas chromatograph-mass spectrometer main body; 2. a detection chamber; 21. a chute; 3. a lid opening assembly; 31. a first motor; 32. a first rotating shaft; 321. a first gear; 33. a turntable; 331. flattening the teeth; 332. a first guide post; 34. a test tube; 341. a sealing cover; 35. an installation table; 351. a first ring groove; 352. a second guide post; 36. a second rotating shaft; 361. a limit key; 37. a telescopic cylinder; 371. a gripper; 372. a nose bar; 38. a second gear; 381. mounting a plate; 382. a second ring groove; 4. a detection component; 41. a second motor; 42. a first lead screw; 43. a slider; 44. a connecting plate; 441. a through groove; 45. a detection pin; 46. a protection plate; 461. a first shaft seat; 47. a mounting seat; 471. a fixed cylinder; 48. a first link; 481. a spring; 49. a second shaft seat; 5. a moving assembly; 51. a housing; 52. a rotating cylinder; 521. a third gear; 53. a first sleeve; 531. a first threaded barrel; 532. a fourth gear; 54. a second screw rod; 541. a base plate; 542. mounting a rod; 543. a limiting rod; 55. a first bracket; 551. a mounting frame; 552. a chute; 553. a roller; 56. a second sleeve; 561. a second threaded barrel; 562. a fifth gear; 57. a third screw rod; 571. a second link; 58. a second bracket; 581. a first rotation plate; 582. a second rotating plate; 583. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown: a gas chromatography-mass spectrometer with an improved structure comprises a gas chromatography-mass spectrometer main body 1, a detection chamber 2, an uncovering component 3, a detection component 4 and a moving component 5, wherein the detection chamber 2 is arranged on the gas chromatography-mass spectrometer main body 1, the uncovering component 3 is arranged in the detection chamber 2, the uncovering component 3 comprises a first motor 31, a first rotating shaft 32, a first gear 321, a rotating disc 33, a flat tooth 331, a first guide column 332, a test tube 34, a sealing cover 341, a mounting table 35, a first annular groove 351, a second guide column 352, a second rotating shaft 36, a limit key 361, a telescopic cylinder 37, a gripper 371, a convex rod 372, a second gear 38, a mounting plate 381 and a second annular groove 382, the first motor 31 is fixedly connected in the detection chamber 2, the first rotating shaft 32 is arranged at the output end of the first motor 31, the first gear 321 is arranged at the top end of the first rotating shaft 32, one side of the first gear 321 is engaged with the rotating disc 33, the bottom end of the rotating disc 33 is provided with the test tube 34, the top end of the test tube 34 is connected with the sealing cover 341 in a threaded manner, the sealing cover 341 is sleeved on the bottom end of the rotating disc 33, the bottom end of the rotating disc 341, the mounting table 35 is arranged on the inner wall of the mounting table 35, and the mounting table 35 is arranged on the top end of the mounting table 35; a flat tooth 331 is arranged on the rotary table 33, the flat tooth 331 is meshed and connected with one side of the first gear 321, a first guide post 332 is symmetrically sleeved at the top end of the rotary table 33, a first annular groove 351 is formed in the bottom end of the mounting table 35, one end of the first guide post 332 is slidably connected inside the first annular groove 351, a second guide post 352 is fixedly connected at the top end of the mounting table 35, a sliding groove 21 is formed in the inner wall of the top end of the detection chamber 2, and one end of the second guide post 352 is slidably connected inside the sliding groove 21; a second gear 38 is arranged on the other side of the first gear 321, a mounting plate 381 is fixedly connected inside the second gear 38, a second rotating shaft 36 is sleeved inside the mounting plate 381, one end of the second rotating shaft 36 is mounted on one side of the mounting table 35, limit keys 361 are symmetrically arranged on the second rotating shaft 36, a telescopic cylinder 37 is arranged on one side of the second rotating shaft 36, a gripper 371 is fixedly connected to an output end of the telescopic cylinder 37, convex rods 372 are symmetrically fixed inside the gripper 371, second annular grooves 382 are symmetrically formed in two sides of the mounting plate 381, and one end of each convex rod 372 is slidably connected inside the corresponding second annular groove 382; the detection assembly 4 is installed inside the detection chamber 2, the detection assembly 4 comprises a second motor 41, a first lead screw 42, a sliding block 43, a connecting plate 44, a through groove 441, a detection needle 45, a protection plate 46, a first shaft seat 461, an installation seat 47, a fixed cylinder 471, a first connecting rod 48, a spring 481 and a second shaft seat 49, the second motor 41 is arranged inside the detection chamber 2, the first lead screw 42 is installed at the output end of the second motor 41, the sliding block 43 is in threaded connection with the first lead screw 42, the connecting plate 44 is fixedly connected to one side of the sliding block 43, the detection needle 45 is installed at the bottom end of the connecting plate 44, the detection needle 45 is arranged at the top end of the test tube 34, the first shaft seat 461 is installed at the bottom end of the connecting plate 44 in a distributed mode, the protection plate 46 is installed on the first shaft seat 461, and the protection plate 46 is arranged on one side of the detection needle 45; the interior of the detection chamber 2 is fixedly connected with a mounting seat 47, the bottom end of the mounting seat 47 is symmetrically fixed with a fixed cylinder 471, the top end of the connecting plate 44 is symmetrically provided with a through groove 441, the fixed cylinder 471 is sleeved inside the through groove 441, a first connecting rod 48 is sleeved inside the fixed cylinder 471, a spring 481 is installed on the first connecting rod 48, one end of the spring 481 is installed inside the fixed cylinder 471, a second shaft seat 49 is installed at the bottom end of the first connecting rod 48, and the second shaft seat 49 is slidably connected to one side of the protection plate 46; the bottom end of the gas chromatography-mass spectrometer main body 1 is provided with a moving assembly 5, the moving assembly 5 comprises a housing 51, a rotating cylinder 52, a third gear 521, a first sleeve 53, a first threaded cylinder 531, a fourth gear 532, a second lead screw 54, a bottom plate 541, an installation rod 542, a limiting rod 543, a first support 55, a mounting rack 551, a chute 552, a roller 553, a second sleeve 56, a second threaded cylinder 561, a fifth gear 562, a third lead screw 57, a second connecting rod 571, a second support 58, a first rotating plate 581, a second rotating plate 582 and a support plate 583, the bottom end of the gas chromatography-mass spectrometer main body 1 is fixedly provided with the housing 51, the inside of the housing 51 is fixedly connected with the rotating cylinder 52, the output end of the rotating cylinder 52 is provided with the third gear 521, one side of the third gear 521 is engaged with the fourth gear 532, the inside of the fourth gear 532 is fixedly connected with the first threaded cylinder 531, the top end of the first threaded cylinder 531 is fixedly connected with the first threaded cylinder 53, the first sleeve 53 is rotatably connected to the inner wall of the top end of the housing 51, one side of the third gear 521 is engaged with the inner wall of the fifth sleeve 562, the inner wall of the housing is connected with the second threaded cylinder 561, the second sleeve 56, the second sleeve is connected with the second threaded cylinder 561; a second screw rod 54 is engaged and connected inside the first threaded cylinder 531, the second screw rod 54 is slidably connected to the bottom end of the housing 51, a bottom plate 541 is installed at the bottom end of the second screw rod 54, a first support 55 is arranged at the bottom end of the bottom plate 541, the first support 55 is fixedly connected to the bottom end of the housing 51, a mounting frame 551 is rotatably connected to the first support 55, and a roller 553 is installed at the bottom end of the mounting frame 551; the bottom end of the bottom plate 541 is symmetrically fixed with mounting rods 542, the bottom end of the mounting rods 542 is fixedly connected with a limiting rod 543, the first bracket 55 is symmetrically provided with inclined slots 552, and one end of the limiting rod 543 is slidably connected inside the inclined slots 552; the inside of the second sleeve 56 is engaged with a third screw 57, the third screw 57 is slidably connected to the bottom end of the housing 51, a second connecting rod 571 is mounted at the bottom end of the third screw 57, one end of the second connecting rod 571 is rotatably connected with a supporting plate 583, the top end of the supporting plate 583 is rotatably connected with a second rotating plate 582, the top end of the second rotating plate 582 is rotatably connected with a first rotating plate 581, the bottom end of the housing 51 is fixedly connected with a second bracket 58, and the first rotating plate 581 is rotatably connected to the second bracket 58.

The working principle is as follows: when the uncapping assembly 3 is used for opening an object to be detected, a test tube 34 is placed into a detection chamber 2 in a gas chromatography-mass spectrometer main body 1, a first motor 31 is started, the first motor 31 drives a first gear 321 through a first rotating shaft 32, the first gear 321 drives a rotary table 33 through flat teeth 331, the rotary table 33 can drive a sealing cover 341 to rotate due to friction parts arranged at the bottom end of the rotary table 33 and the sealing cover 341, the rotary table 33 can drive the sealing cover 341 to rotate, the sealing cover 341 can drive the rotary table 33 to ascend until the sealing cover 341 is separated from the test tube 34 as a result of the fact that the first guide column 332 is sleeved in the rotary table 33, then a telescopic cylinder 37 is started, the telescopic cylinder 37 drives a gripper 371 to drive a convex rod 372, the convex rod 372 drives a second gear 38 to ascend through a mounting plate 381, the first gear 321 is meshed with the second gear 38 at the moment, the mounting plate 381 is driven by the second gear 38, the mounting plate 381 drives a second rotating shaft 36 through a limit key 361, the second rotating shaft 36 drives the mounting platform 35 to rotate, the mounting platform 35 drives the first guide post 332 through the first annular groove 351, the first guide post 332 drives the sealing cover 341 through the driving turntable 33, the motion track is the same as that of the second guide post 352 and the sliding groove 21, when the detection assembly 4 is used for detection, the second motor 41 is started, the second motor 41 drives the sliding block 43 to descend through the first screw rod 42, the sliding block 43 drives the detection needle 45 and the protection plate 46 to descend through the connecting plate 44 until the second shaft seat 49 touches the inner wall of the protection plate 46, the protection plate 46 continues to descend and rotates under the cooperation of the first shaft seat 461 and the second shaft seat 49, when the protection plate 46 rotates to be horizontal, the protection plate 46 pulls out the first connecting rod 48 from the fixing cylinder 471 and causes the compression of the spring 481, the protection plate 46 is completely opened before the detection needle 45 extends into the test tube 34, and when the fixed or moving state of the adjusting device of the moving assembly 5 is used, the rotating cylinder 52 in the housing 51 is started, the rotating cylinder 52 drives the fourth gear 532 and the fifth gear 562 through the third gear 521, the fourth gear 532 drives the second lead screw 54 through the first threaded cylinder 531, the second lead screw 54 drives the mounting rod 542 through the bottom plate 541 to ascend due to only sliding between the second lead screw 54 and the housing 51, the mounting rod 542 drives the limiting rod 543 to slide in the inclined groove 552 and drives the mounting frame 551 to rotate around the first bracket 55 so as to retract the roller 553, the fifth gear 562 drives the third lead screw 57 through the second threaded cylinder 561, the third lead screw 57 drives the second connecting rod 571 to descend due to opposite thread directions of the third lead screw 57 and the second lead screw 54, and drives the first rotating plate 581, the second rotating plate 582 and the supporting plate 583 to straighten to form supporting legs, wherein the second annular groove 382 is used for mounting the convex rod 372, the through groove 441 and the mounting seat 471 is used for mounting the fixed cylinder 471, the first sleeve 53 is used for mounting the first threaded cylinder 531, the second sleeve 56 is used for mounting the second threaded cylinder 561, the second connecting plate 571 is used for mounting the third connecting rod 571 and the supporting plate 583, and the supporting plate 58 is used for mounting the second rotating plate on the second lead screw.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a gas chromatography mass spectrometer of improved structure, includes gas chromatography mass spectrometer main part (1), its characterized in that: be provided with on gas chromatography mass spectrometer main part (1) and detect room (2), the internally mounted that detects room (2) has subassembly (3) of uncapping, subassembly (3) of uncapping includes first motor (31), the first motor (31) of inside fixedly connected with that detect room (2), first pivot (32) are installed to the output of first motor (31), first gear (321) are installed on the top of first pivot (32), one side meshing of first gear (321) is connected with carousel (33), the bottom of carousel (33) is provided with test tube (34), the top threaded connection of test tube (34) has sealed lid (341), and sealed lid (341) cup joint in the bottom of carousel (33), the top of carousel (33) is provided with mount table (35), and mount table (35) install on the top inner wall that detects room (2).

2. The gas chromatograph-mass spectrometer with improved structure of claim 1, wherein: be provided with flat tooth (331) on carousel (33), and flat tooth (331) meshing connection in one side of first gear (321), first guide post (332) have been cup jointed to the top symmetry of carousel (33), first annular (351) have been seted up to the bottom of mount table (35), and the one end sliding connection of first guide post (332) is in the inside of first annular (351), the top fixedly connected with second guide post (352) of mount table (35), spout (21) have been seted up on the top inner wall of detection room (2), and the one end sliding connection of second guide post (352) is in the inside of spout (21).

3. The gas chromatograph-mass spectrometer with improved structure of claim 1, wherein: the opposite side of first gear (321) is provided with second gear (38), inside fixedly connected with mounting panel (381) of second gear (38), second pivot (36) have been cup jointed to the inside of mounting panel (381), and the one end of second pivot (36) is installed in one side of mount table (35), the symmetry is provided with spacing key (361) on second pivot (36), one side of second pivot (36) is provided with telescopic cylinder (37), the output fixedly connected with tongs (371) of telescopic cylinder (37), the inside symmetry of tongs (371) is fixed with projecting bar (372), second ring groove (382) have been seted up to the bilateral symmetry of mounting panel (381), and the one end sliding connection of projecting bar (372) is in the inside of second ring groove (382).

4. The improved structure of the gas chromatograph-mass spectrometer of claim 1, wherein: the utility model discloses a test tube, including detection room (2), internally mounted has detection module (4), detection module (4) includes second motor (41), the inside of detection room (2) is provided with second motor (41), first lead screw (42) are installed to the output of second motor (41), threaded connection has slider (43) on first lead screw (42), one side fixedly connected with connecting plate (44) of slider (43), detection needle (45) are installed to the bottom of connecting plate (44), and detect needle (45) and set up in the top of test tube (34), first axle bed (461) are installed in the bottom distribution of connecting plate (44), install guard plate (46) on first axle bed (461), and guard plate (46) set up in one side of detecting needle (45).

5. The gas chromatograph-mass spectrometer with improved structure of claim 4, wherein: detect inside fixedly connected with mount pad (47) of room (2), the bottom symmetry of mount pad (47) is fixed with solid fixed cylinder (471), logical groove (441) have been seted up to the top symmetry of connecting plate (44), and solid fixed cylinder (471) cup joints in the inside that leads to groove (441), first link (48) have been cup jointed to the inside of solid fixed cylinder (471), install spring (481) on first link (48), and the one end of spring (481) is installed in the inside of solid fixed cylinder (471), second shaft seat (49) are installed to the bottom of first link (48), and second shaft seat (49) sliding connection is in one side of guard plate (46).

6. The improved structure of the gas chromatograph-mass spectrometer of claim 1, wherein: the bottom of gas chromatography mass spectrometer main part (1) is installed and is moved subassembly (5), it includes casing (51) to move subassembly (5), bottom distribution of gas chromatography mass spectrometer main part (1) is fixed with casing (51), inside fixedly connected with revolving cylinder (52) of casing (51), third gear (521) are installed to the output of revolving cylinder (52), one side meshing of third gear (521) is connected with fourth gear (532), the first thread section of thick bamboo (531) of inside fixedly connected with of fourth gear (532), the first sleeve of top fixedly connected with (53) of first thread section of thick bamboo (531), and first sleeve (53) rotate to be connected on the top inner wall of casing (51), the opposite side meshing of third gear (521) is connected with fifth gear (562), the inside fixedly connected with second thread section of thick bamboo (561) of fifth gear (562), the top fixedly connected with second sleeve (56) of second thread section of thick bamboo (561), and second sleeve (56) rotate and connect on the top inner wall of casing (51).

7. The improved structure of the gas chromatograph-mass spectrometer of claim 6, wherein: the inside meshing of first thread cylinder (531) is connected with second lead screw (54), and second lead screw (54) sliding connection is in the bottom of casing (51), and bottom plate (541) are installed to the bottom of second lead screw (54), and the bottom of bottom plate (541) is provided with first support (55), and first support (55) fixed connection is in the bottom of casing (51), rotates on first support (55) and is connected with mounting bracket (551), and gyro wheel (553) are installed to the bottom of mounting bracket (551).

8. The improved structure of the gas chromatograph-mass spectrometer of claim 7, wherein: the bottom symmetry of bottom plate (541) is fixed with installation pole (542), and the bottom fixedly connected with gag lever post (543) of installation pole (542), chute (552) have been seted up to the symmetry on first support (55), and the one end sliding connection of gag lever post (543) is in the inside of chute (552).

9. The improved structure of the gas chromatograph-mass spectrometer of claim 6, wherein: the inner part of the second sleeve (56) is engaged and connected with a third screw rod (57), the third screw rod (57) is connected to the bottom end of the shell (51) in a sliding mode, a second connecting rod (571) is installed at the bottom end of the third screw rod (57), one end of the second connecting rod (571) is rotatably connected with a supporting plate (583), the top end of the supporting plate (583) is rotatably connected with a second rotating plate (582), the top end of the second rotating plate (582) is rotatably connected with a first rotating plate (581), the bottom end of the shell (51) is fixedly connected with a second support (58), and the first rotating plate (581) is rotatably connected to the second support (58).

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