CN218956504U

CN218956504U - Gas chromatography-mass spectrometry equipment with fast sample switching mechanism

Info

Publication number: CN218956504U
Application number: CN202223564293.5U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shanghai Dezuo Industrial Co ltd
Current assignee: Shanghai Dezuo Industrial Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of gas chromatography-mass spectrometry, in particular to gas chromatography-mass spectrometry equipment with a rapid sample switching mechanism, which comprises: base, injector and sampling head, the base, base upper end fixedly connected with injector, injector outer wall fixedly connected with sampling head, quick switch structure includes the fixing base, fixing base fixedly connected with is in the base upper end, fixing base upper end fixedly connected with fixed disk, first spacing chamber has been seted up to the fixed disk is inside, the fixed disk top is provided with the sampling disk, sampling disk lateral wall fixedly connected with second spacing chamber, the spacing chamber of second can be inserted and establish at first spacing intracavity portion. The utility model realizes that the sample test tube to be detected can be rapidly switched, and can rapidly replace all the detected sample test tubes in the whole sample injection disc, the operation is simple, the working efficiency is high, and the practicability and the efficiency of the device are improved.

Description

Gas chromatography-mass spectrometry equipment with fast sample switching mechanism

Technical Field

The utility model relates to the technical field of gas chromatography-mass spectrometry, in particular to gas chromatography-mass spectrometry equipment with a rapid sample switching mechanism.

Background

The gas chromatograph mass spectrometer is an analytical instrument used in the fields of biology, agriculture, animal husbandry, veterinary science and food science, and after a multi-component mixed sample enters a chromatographic column, the operating speed of each component in the chromatographic column is different after a certain time due to the different adsorption force of the adsorbent on each component. Components with weak adsorption force are easily desorbed, and leave the chromatographic column first to enter the detector, while components with the strongest adsorption force are least easily desorbed, so that the components leave the chromatographic column last.

The existing device gas chromatography-mass spectrometer needs a sample injector to sample for many times, but a worker frequently and repeatedly replaces a sample to be detected, so that the workload is increased, the experimental efficiency is reduced, and therefore the gas chromatography-mass spectrometer combined device with the rapid sample switching mechanism is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide gas chromatography-mass spectrometry equipment with a rapid sample switching mechanism, so as to solve the problems that in the prior device, the gas chromatography-mass spectrometry equipment provided in the background art needs a sample injector to sample for a plurality of times, but a worker frequently and repeatedly replaces a sample to be detected, so that the workload is increased, and the experimental efficiency is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gas chromatography mass spectrometry apparatus with a fast sample switching mechanism, comprising: base, injector and sample introduction head:

the device comprises a base, wherein the upper end of the base is fixedly connected with a sample injector, and the outer wall of the sample injector is fixedly connected with a sample injection head;

the rapid switching structure comprises a fixed seat, wherein the fixed seat is fixedly connected to the upper end of a base, a fixed disc is fixedly connected to the upper end of the fixed seat, a first limiting cavity is formed in the fixed disc, a sample injection disc is arranged above the fixed disc, a second limiting cavity is fixedly connected to the side wall of the sample injection disc, the second limiting cavity can be inserted into the first limiting cavity, an inserting block is fixedly connected to the side wall of the sample injection disc, the inserting block is inserted into an inserting groove, and the inserting groove is formed in the fixed disc;

dustproof construction, dustproof construction includes the dust cover, the dust cover sets up in the base top.

Preferably, the side wall of the insertion block is fixedly connected with a limiting block, the limiting block is inserted into the limiting groove, and the limiting groove is formed in the fixing disc.

Preferably, the upper end of the base is fixedly connected with a placing seat, and a placing cavity is formed in the placing seat.

Preferably, the dust cover bottom fixedly connected with fixed plate, the fixed plate bottom is inserted and is established inside the dead lever, dead lever bottom fixed connection is at the installation pole outer wall, the installation pole setting is inside the base.

Preferably, the fixed plate is internally inserted with the inserted bar, inserted bar lateral wall fixedly connected with pull rod, the one end that the fixed plate was kept away from to the inserted bar inserts and establishes in inserting the intracavity portion, insert the chamber and set up inside the base, the one end fixedly connected with spring that the fixed plate was kept away from to the inserted bar, the one end fixedly connected with that the inserted bar was kept away from to the spring is inserting the intracavity wall.

Preferably, the side wall of the inserted link is fixedly connected with a sliding block, the sliding block is inserted into a sliding groove, and the sliding groove is formed in the base.

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

1. this gas chromatograph mass spectrometer with quick switch sample mechanism is provided with quick switch structure, when needs quick switch sample, the pulling advances the appearance dish, upward remove the appearance dish, the test tube that second spacing chamber and second spacing intracavity portion have detected shifts out first spacing intracavity portion simultaneously, shift out the test tube from the second spacing intracavity portion afterwards, and then will place the test tube that waits to detect that intracavity portion deposited and establish second spacing intracavity portion again, place appearance dish and second spacing intracavity portion in the fixed disk top later again, the test tube of second spacing intracavity portion and second spacing intracavity portion gets into first spacing intracavity portion simultaneously, accomplish the inside sample quick switch of test tube that awaits measuring, through this design, realize waiting to detect the sample test tube and can carry out quick switch, can the inside all sample test tubes that have detected of the whole appearance dish of quick replacement, easy operation work efficiency is high, the practicality and the efficiency of device have been improved.

2. This gas chromatography mass spectrometry equipment with quick switch sample mechanism is provided with dustproof construction, when gas chromatography mass spectrometry appearance does not use, at first remove the base top with the dust cover, later pulling pull rod, drive the inserted bar and remove, make the inserted bar remove to the direction of keeping away from the fixed plate, later insert inside the fixed plate, later loosen the pull rod, elastic deformation takes place for the spring, drive the inserted bar and remove, realize that the inserted bar can fasten inside the fixed plate, improve the stability that the device is connected, when the inserted bar removes, the slider is at the inside synchronous movement of spout, realize the limiting displacement to the inserted bar, through this design, realize that gas chromatography mass spectrometry appearance can carry out dustproof protection when not using, can convenient dismantlement dust cover when using, the practicality of device has been improved.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic top view in section of a partial structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present utility model.

In the figure: 1. a base; 21. a sample injector; 22. a sample introduction head; 3. a fast switching structure; 31. a fixing seat; 32. a fixed plate; 33. a first spacing cavity; 34. a sample introduction disc; 35. the second limiting cavity; 36. inserting blocks; 37. a slot; 38. a limiting block; 39. a limit groove; 41. a placement seat; 42. a placement cavity; 5. a dust-proof structure; 51. a dust cover; 52. a mounting rod; 53. a fixed rod; 54. a fixing plate; 55. a rod; 56. a pull rod; 57. inserting a cavity; 58. a spring; 59. a slide block; 61. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

a gas chromatography mass spectrometry apparatus with a fast sample switching mechanism, comprising: base 1, injector 21 and injector head 22:

the device comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a sample injector 21, and the outer wall of the sample injector 21 is fixedly connected with a sample injection head 22;

the quick switching structure 3, the quick switching structure 3 includes the fixing base 31, fixing base 31 fixedly connected with is in 1 upper end of base, fixing base 31 upper end fixedly connected with fixed disk 32, first spacing chamber 33 has been seted up to the inside of fixed disk 32, fixed disk 32 top is provided with sampling disk 34, sampling disk 34 lateral wall fixedly connected with second spacing chamber 35, second spacing chamber 35 can insert and establish in first spacing chamber 33 inside, sampling disk 34 lateral wall fixedly connected with inserted block 36, inserted block 36 inserts and establishes in slot 37 inside, slot 37 opens in fixed disk 32 inside, inserted block 36 lateral wall fixedly connected with stopper 38, stopper 38 inserts and establishes in spacing groove 39 inside, spacing groove 39 opens in fixed disk 32 inside, through this design, when inserted block 36 inserts and establishes in slot 37 inside, stopper 38 inserts simultaneously and establishes in spacing groove 39 inside, realize the spacing effect to inserted block 36, the stability of device has been improved, base 1 upper end fixedly connected with places seat 41, place seat 41 inside has seted up and has placed chamber 42, through this design, place cavity 42 inside can place, the test tube is convenient for detecting and waiting to carry out preliminary test tube to deposit;

the dustproof structure 5, the dustproof structure 5 comprises a dustproof cover 51, the dustproof cover 51 is arranged above the base 1, the bottom end of the dustproof cover 51 is fixedly connected with a fixing plate 54, the bottom end of the fixing plate 54 is inserted into a fixing rod 53, the bottom end of the fixing rod 53 is fixedly connected with the outer wall of a mounting rod 52, the mounting rod 52 is arranged inside the base 1, through the design, the dustproof cover 51 can be conveniently and quickly arranged inside the base 1, meanwhile, the dustproof cover 51 can prevent dust to a device, an inserting rod 55 is inserted into the fixing plate 54, the side wall of the inserting rod 55 is fixedly connected with a pull rod 56, one end of the inserting rod 55 far away from the fixing plate 54 is inserted into an inserting cavity 57, the inserting cavity 57 is arranged inside the base 1, the one end fixedly connected with spring 58 that fixed plate 54 was kept away from to inserted bar 55, the one end fixedly connected with that inserted bar 55 was kept away from to spring 58 is at the inner wall of inserting the chamber 57, through this design, when fixed plate 54 inserts inside the fixed plate 53, loosen pull rod 56, spring 58 takes place elastic deformation, drive inserted bar 55 and remove, realize that inserted bar 55 can fasten inside fixed plate 54, improve the stability that the device is connected, inserted bar 55 lateral wall fixedly connected with slider 59, slider 59 inserts and establishes inside spout 61, spout 61 is offered inside base 1, through this design, when inserted bar 55 removes, slider 59 is at the inside synchronous movement of spout 61, realize the spacing effect to inserted bar 55, the stability of device has been improved.

Working principle:

when the sample needs to be rapidly switched, the sample introduction disc 34 is pulled, the sample introduction disc 34 moves upwards, meanwhile, the second limiting cavity 35 and the test tube detected in the second limiting cavity 35 move out of the first limiting cavity 33, then the test tube moves out of the second limiting cavity 35, and then the test tube to be detected stored in the placing cavity 42 is sleeved in the second limiting cavity 35 again, then the sample introduction disc 34 and the second limiting cavity 35 are placed above the fixed disc 32 again, meanwhile, the test tube in the second limiting cavity 35 and the test tube in the second limiting cavity 35 enters the first limiting cavity 33, rapid sample switching of the test tube to be detected is completed, when the insert block 36 is inserted into the slot 37, the limiting block 38 is inserted into the limiting groove 39, limiting effect on the insert block 36 is achieved, stability of the device is improved, the test tube can be placed in the placing cavity 42, the test tube can be stored preliminarily and is stored for detection conveniently, and detection is waited for.

When the gas chromatograph-mass spectrometer is not used, the dust cover 51 is firstly moved to the upper side of the base 1, then the pull rod 56 is pulled to drive the inserting rod 55 to move, the inserting rod 55 is enabled to move in the direction away from the fixed plate 54, then the fixed plate 54 is inserted into the fixed rod 53, then the pull rod 56 is loosened, the spring 58 is elastically deformed to drive the inserting rod 55 to move, the inserting rod 55 can be fastened in the fixed plate 54, the stability of device connection is improved, when the inserting rod 55 moves, the sliding block 59 synchronously moves in the sliding groove 61, the limiting effect on the inserting rod 55 is achieved, and the operation is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. A gas chromatography mass spectrometry apparatus with a fast sample switching mechanism, comprising: base (1), injector (21) and advance appearance head (22), its characterized in that:

the device comprises a base (1), wherein the upper end of the base (1) is fixedly connected with a sample injector (21), and the outer wall of the sample injector (21) is fixedly connected with a sample injection head (22);

the rapid switching structure (3), the rapid switching structure (3) comprises a fixed seat (31), the fixed seat (31) is fixedly connected to the upper end of the base (1), a fixed disc (32) is fixedly connected to the upper end of the fixed seat (31), a first limiting cavity (33) is formed in the fixed disc (32), a sample injection disc (34) is arranged above the fixed disc (32), a second limiting cavity (35) is fixedly connected to the side wall of the sample injection disc (34), the second limiting cavity (35) can be inserted into the first limiting cavity (33), an inserting block (36) is fixedly connected to the side wall of the sample injection disc (34), the inserting block (36) is inserted into a slot (37), and the slot (37) is formed in the fixed disc (32);

the dustproof structure (5), dustproof structure (5) include dust cover (51), dust cover (51) set up in base (1) top.

2. A gas chromatograph-mass spectrometer with a fast switching sample mechanism as in claim 1, wherein: the side wall of the inserting block (36) is fixedly connected with a limiting block (38), the limiting block (38) is inserted into a limiting groove (39), and the limiting groove (39) is formed in the fixing disc (32).

3. A gas chromatograph-mass spectrometer with a fast switching sample mechanism as in claim 1, wherein: the upper end of the base (1) is fixedly connected with a placing seat (41), and a placing cavity (42) is formed in the placing seat (41).

4. A gas chromatograph-mass spectrometer with a fast switching sample mechanism as in claim 1, wherein: the dust cover is characterized in that a fixing plate (54) is fixedly connected to the bottom end of the dust cover (51), the bottom end of the fixing plate (54) is inserted into the fixing rod (53), the bottom end of the fixing rod (53) is fixedly connected to the outer wall of the mounting rod (52), and the mounting rod (52) is arranged in the base (1).

5. The gas chromatograph-mass spectrometer with the fast switching sample mechanism of claim 4, wherein: insert pole (55) are inserted to fixed plate (54) inside, insert pole (55) lateral wall fixedly connected with pull rod (56), insert pole (55) are kept away from the one end of fixed plate (54) and are inserted and establish inside inserting chamber (57), insert chamber (57) are seted up inside base (1), insert pole (55) are kept away from one end fixedly connected with spring (58) of fixed plate (54), one end fixedly connected with at inserting chamber (57) inner wall of inserting pole (55) is kept away from to spring (58).

6. The gas chromatograph-mass spectrometer with the fast switching sample mechanism of claim 5, wherein: the side wall of the inserting rod (55) is fixedly connected with a sliding block (59), the sliding block (59) is inserted into a sliding groove (61), and the sliding groove (61) is formed in the base (1).