Gas chromatograph-mass spectrometer

Abstract

The utility model relates to the technical field of a gas chromatograph-mass spectrometer, and discloses a gas chromatograph-mass spectrometer, which comprises a spectrometer body, the top of the spectrometer body is rotatably connected with a turntable, the top of the turntable is fixedly connected with a connecting seat, the top of the connecting seat is provided with an insertion hole, the top of the connecting seat is provided with a replacement frame, and the replacement frame is fixedly connected with the turntable. And a through hole is formed in the replacement frame. The utility model has the following advantages and effects: the bottom of the sample bottle is inserted into the insertion hole, the bottom of the replacement frame is in contact with the connecting seat, and the clamping rod is clamped into the clamping groove, so that the connecting seat and the replacement frame are movably mounted, the turntable rotates during detection to drive the replacement frame to rotate, and after the detection is finished, the replacement frame is taken down upwards, placed corresponding to the discharge seat and pressed, so that the replacement frame is replaced. Therefore, the ejector rod simultaneously ejects a part of the plurality of sample bottles upwards out of the through holes, so that the sample bottles can be quickly taken down, the operation mode is simpler, and the sample replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas chromatography-mass spectrometry, in particular to a gas chromatography-mass spectrometry. Background Art

[0002] Gas chromatography-mass spectrometry is widely used in geological experiments, environmental protection industry, electronics industry, textile industry, petrochemical industry, flavor and fragrance industry, pharmaceutical industry, agriculture and food safety. In geological experiments, gas chromatography-mass spectrometry is often needed to detect and analyze pollution in the soil.

[0003] In the prior art, Chinese patent publication number CN211478178U discloses a sampling system for a gas chromatograph-mass spectrometer, which relates to the technical field of gas chromatograph-mass spectrometer, and includes a machine base, on which a sample injector, a sample injection tray and a sample storage rack are arranged, a bottle cap is arranged on the sample bottle, and a connecting piece is arranged on the sample storage rack, the connecting piece includes a plurality of mounting rings and a connecting rod, the mounting ring is placed on the sample storage rack, the connecting rod includes a first connecting rod and a second connecting rod, the first connecting rod is hinged with the second connecting rod, and the first connecting rod and the second connecting rod are respectively connected to two adjacent mounting rings; the mounting ring and the sample bottle installed in the mounting ring are taken out from the sample storage rack and surround the side wall of the sample injection tray, and a limiting assembly for fixing the mounting ring and the sample bottle on the sample injection tray is arranged on the side wall of the sample injection tray. The utility model has the effect of facilitating the experimenter to replace and detect a large number of samples, thereby reducing the workload of the experimenter.

[0004] However, when the utility model is actually used, the sample bottles need to be pre-installed in the mounting ring one by one. After the test, the sample bottles need to be taken out from the mounting ring one by one. At the same time, when the mounting ring is placed into the sample tray, the handle needs to be turned and the latch needs to be operated. The operation process is relatively cumbersome, and the efficiency when replacing samples may not be ideal, and the work efficiency is low, so it needs to be improved. Utility Model Content

[0005] The utility model aims to provide a gas chromatography-mass spectrometer, which has the effect of simpler operation mode and improved efficiency of sample replacement.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a gas chromatograph-mass spectrometer, comprising a gas chromatograph-mass spectrometer body, a turntable rotatably connected to the top of the turntable, a connecting seat fixedly connected to the top of the connecting seat, a plug hole provided on the top of the connecting seat, a replacement rack provided on the top of the connecting seat, a through hole provided inside the replacement rack, a sample bottle inserted into the inner wall of the through hole, a bottle cap threadedly connected to the top of the sample bottle, a discharge seat fixedly connected to the top of the discharge seat, a push rod fixedly connected to the top of the connecting seat, a clamping rod fixedly connected to the top of the connecting seat, and a clamping slot provided on the bottom of the replacement rack.

[0007] By adopting the above technical scheme, when in use, the staff inserts the sample bottle into the perforation. Multiple replacement racks can be set, so that more sample bottles can be installed on the replacement rack. The installation method is simple. When testing, the replacement rack is placed on the connecting seat, the bottom of the sample bottle is inserted into the jack, the bottom of the replacement rack is in contact with the connecting seat, and the clamping rod is inserted into the clamping groove, so that the connecting seat and the replacement rack are movably installed. During the test, the turntable rotates to drive the replacement rack to rotate. After the test, the replacement rack is removed upward and placed on the corresponding unloading seat. The replacement rack is pressed, so that the push rod pushes part of multiple sample bottles upward out of the perforation at the same time, which is convenient for quick removal of the sample bottles. The operation method is simpler and the efficiency of sample replacement is improved.

[0008] The utility model is further configured as follows: the outer surface of the replacement rack is fixedly connected with support rods, and the number of the support rods is three.

[0009] By adopting the above technical solution, the support rod supports the replacement rack and is convenient for positioning when corresponding to the connecting seat and the unloading seat.

[0010] The utility model is further configured as follows: an anti-skid sleeve is fixedly connected to the outer surface of the replacement rack, and an anti-skid layer is fixedly connected to the outer surface of the anti-skid sleeve.

[0011] By adopting the above technical solution, the anti-slip sleeve and the anti-slip layer improve the anti-slip effect, making it easier for workers to grasp the hand.

[0012] The utility model is further configured as follows: a sample injector is arranged on the top of the combined instrument body, and a sampling needle is arranged inside the sample injector.

[0013] By adopting the above technical solution, the sampling pin is raised and lowered to sample the bottle cap, thereby testing the sample.

[0014] The utility model is further configured as follows: a motor is arranged on the top of the combined instrument body, a motor shaft is fixedly connected to the output end of the motor, and the top of the motor shaft is fixedly connected to the turntable.

[0015] By adopting the above technical solution, after the motor is started, the motor shaft is driven to rotate, thereby driving the turntable to rotate.

[0016] The utility model is further configured as follows: a storage platform is provided on the top of the combined instrument body, and a storage groove is provided on the top of the storage platform.

[0017] By adopting the above technical solution, the staff can place the sample bottles lifted from the unloading seat in the storage groove for arrangement and storage, so that the sample bottles after testing are more neat and orderly.

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model, through the coordinated arrangement among the combined instrument body, the turntable, the connecting seat, the jack, the replacement rack, the perforation, the sample bottle, the bottle cap, the unloading seat, the ejector rod, the clamping rod and the clamping slot, can enable more sample bottles to be installed on the replacement rack when the device is in use, and the installation method is simple. During the test, the replacement rack is placed on the connecting seat, and the connecting seat and the replacement rack are movably installed. The replacement rack is taken upward and placed corresponding to the unloading seat, so that the sample bottle can be quickly removed. The operation method is more concise, and the efficiency of sample replacement is improved.

[0020] 2. The utility model, through the coordinated arrangement of the support rod, the anti-slip sleeve, the anti-slip layer, the sampler, the sampling needle, the motor, the motor shaft, the storage table and the storage slot, can enable the support rod to support the replacement rack when the device is in use, and at the same time, when corresponding to the connecting seat and the unloading seat, it is convenient for positioning and the staff to grasp by hand, and the sample bottles can be placed in the storage slot for arrangement and storage, so that the sample bottles after testing are more neat and orderly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the replacement rack of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the unloading seat of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the anti-slip sleeve of the utility model.

[0026] In the figure, 1. combined instrument body; 2. turntable; 3. connecting seat; 4. socket; 5. replacement rack; 6. perforation; 7. sample bottle; 8. bottle cap; 9. unloading seat; 10. ejector rod; 11. support rod; 12. anti-slip sleeve; 13. anti-slip layer; 14. injector; 15. sampling needle; 16. motor; 17. motor shaft; 18. storage table; 19. storage slot; 20. clamping rod; 21. clamping slot. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 1-4A gas chromatograph-mass spectrometer comprises a gas chromatograph-mass spectrometer body 1, a turntable 2 is rotatably connected to the top of the turntable 2, a connecting seat 3 is fixedly connected to the top of the turning plate 2, a plug hole 4 is provided on the top of the connecting seat 3, a replacement rack 5 is provided on the top of the connecting seat 3, a through hole 6 is provided inside the replacement rack 5, a sample bottle 7 is inserted into the inner wall of the through hole 6, a bottle cap 8 is threadedly connected to the top of the sample bottle 7, a discharge seat 9 is fixedly connected to the top of the discharge seat 9, a push rod 10 is fixedly connected to the top of the connecting seat 3, a clamping rod 20 is fixedly connected to the top of the connecting seat 3, a clamping slot 21 is provided at the bottom of the replacement rack 5, and a staff member can use the gas chromatograph-mass spectrometer body 1 to fix the discharge seat 9 to the top of the discharge seat 9, and a clamping rod 20 is fixedly connected to the top of the connecting seat 3. When in use, insert the sample bottle 7 into the perforation 6. Multiple replacement racks 5 can be provided, so that more sample bottles 7 can be installed on the replacement rack 5. The installation method is simple. When testing, the replacement rack 5 is placed on the connecting seat 3, the bottom of the sample bottle 7 is inserted into the jack 4, the bottom of the replacement rack 5 is in contact with the connecting seat 3, and the clamping rod 20 is clamped into the clamping groove 21, so that the connecting seat 3 and the replacement rack 5 are movably installed. When testing, the turntable 2 rotates to drive the replacement rack 5 to rotate. After the test is completed, the replacement rack 5 is removed upward and placed corresponding to the unloading seat 9, and the replacement rack 5 is pressed, so that the ejector rod 10 pushes part of the multiple sample bottles 7 upward out of the perforation 6 at the same time. , which is convenient for quick removal of the sample bottle 7, and the operation method is simpler, which improves the efficiency of sample replacement. The outer surface of the replacement rack 5 is fixedly connected with a support rod 11, and the number of the support rods 11 is three. The support rods 11 support the replacement rack 5, and when corresponding to the connecting seat 3 and the unloading seat 9, it is convenient for positioning. The outer surface of the replacement rack 5 is fixedly connected with an anti-slip sleeve 12, and the outer surface of the anti-slip sleeve 12 is fixedly connected with an anti-slip layer 13. The anti-slip sleeve 12 and the anti-slip layer 13 improve the anti-slip effect, which is convenient for the staff to grasp. The top of the combined instrument body 1 is provided with a sample injector 14, and the interior of the sample injector 14 is provided with a sampling Needle 15, the sampling needle 15 corresponds to the bottle cap 8 to lift and lower for sampling, so as to detect the sample. A motor 16 is arranged on the top of the combined instrument body 1, and the output end of the motor 16 is fixedly connected with a motor shaft 17, and the top of the motor shaft 17 is fixedly connected with the turntable 2. After the motor 16 is started, the motor shaft 17 is driven to rotate, thereby driving the turntable 2 to rotate. A storage table 18 is arranged on the top of the combined instrument body 1, and a storage groove 19 is opened on the top of the storage table 18. The staff can arrange and store the sample bottles 7 lifted from the unloading seat 9 in the storage groove 19, so that the sample bottles 7 after detection are more neat and orderly.

[0029] In the utility model, through the coordinated arrangement among the combined instrument body 1, the turntable 2, the connecting seat 3, the jack 4, the replacement rack 5, the through hole 6, the sample bottle 7, the bottle cap 8, the unloading seat 9, the push rod 10, the clamping rod 20 and the clamping slot 21, the device can be used by the staff to insert the sample bottle 7 into the through hole 6. A plurality of replacement racks 5 can be provided, so that more sample bottles 7 are installed on the replacement rack 5. During detection, the replacement rack 5 is placed on the connecting seat 3, the bottom of the sample bottle 7 is inserted into the jack 4, the bottom of the replacement rack 5 is in contact with the connecting seat 3, and the clamping rod 20 is clamped into the clamping slot 21, so that the connecting seat 3 and the replacement rack 5 are movably installed. During detection, the turntable 2 rotates to drive the replacement rack 5 to rotate. After the detection is completed, the replacement rack 5 is taken up and the unloading is carried out accordingly. The seat 9 is placed, and the replacement rack 5 is pressed, so that the push rod 10 pushes part of the multiple sample bottles 7 upward out of the perforation 6 at the same time, so that the sample bottles 7 are quickly removed. Through the coordinated arrangement of the support rod 11, the anti-skid sleeve 12, the anti-skid layer 13, the sampler 14, the sampling needle 15, the motor 16, the motor shaft 17, the storage table 18 and the storage slot 19, the device can be used when the support rod 11 supports the replacement rack 5, and at the same time, when it corresponds to the connecting seat 3 and the unloading seat 9, it is convenient to position. The anti-skid sleeve 12 and the anti-skid layer 13 improve the anti-skid effect. After the motor 16 is started, the motor shaft 17 is driven to rotate, thereby driving the turntable 2 to rotate. The sample bottles 7 pushed up from the unloading seat 9 can be placed in the storage slot 19 for arrangement and storage by the staff.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas chromatography-mass spectrometry instrument, comprising an instrument body (1), characterized in that: The top of the combined instrument body (1) is rotatably connected to a turntable (2), the top of the turntable (2) is fixedly connected to a connecting seat (3), the top of the connecting seat (3) is provided with a plug hole (4), the top of the connecting seat (3) is provided with a replacement rack (5), the interior of the replacement rack (5) is provided with a through hole (6), the inner wall of the through hole (6) is plugged with a sample bottle (7), the top of the sample bottle (7) is threadedly connected to a bottle cap (8), the top of the combined instrument body (1) is fixedly connected to a discharge seat (9), the top of the discharge seat (9) is fixedly connected to a push rod (10), the top of the connecting seat (3) is fixedly connected to a clamping rod (20), and the bottom of the replacement rack (5) is provided with a clamping slot (21).

2. A gas chromatography-mass spectrometry instrument according to claim 1, characterized in that: The outer surface of the replacement rack (5) is fixedly connected with support rods (11), and the number of the support rods (11) is three.

3. A gas chromatography-mass spectrometry instrument according to claim 2, characterized in that: The outer surface of the replacement rack (5) is fixedly connected to an anti-slip sleeve (12), and the outer surface of the anti-slip sleeve (12) is fixedly connected to an anti-slip layer (13).

4. A gas chromatography-mass spectrometry instrument according to claim 1, characterized in that: A sample injector (14) is arranged on the top of the combined instrument body (1), and a sampling needle (15) is arranged inside the sample injector (14).

5. The gas chromatography-mass spectrometry instrument according to claim 1, characterized in that: A motor (16) is arranged on the top of the combined instrument body (1), the output end of the motor (16) is fixedly connected to a motor shaft (17), and the top of the motor shaft (17) is fixedly connected to the turntable (2).

6. A gas chromatography-mass spectrometry instrument according to claim 1, characterized in that: A storage platform (18) is provided on the top of the combined instrument body (1), and a storage groove (19) is provided on the top of the storage platform (18).

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