Gas chromatograph for compound analysis and detection

By using mechanical structures such as electric telescopic rods and electric push rods in the gas chromatograph, the automatic alignment of the sample tank and the sampling tube and sample collection are realized, which solves the large operation volume and high error rate caused by the manual sampling required for sample detection in the existing technology. problems, improving experimental efficiency and safety.

CN222364960UActive Publication Date: 2025-01-17SHANGHAI FANQIN PHARM TECH CO LTD
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Patent Information

Application Number
CN202420832389.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-17
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

Existing gas chromatographs require manual sampling during sample detection, which is large in operation and is easy to mix up samples, resulting in experimental accidents and waste of resources.

Method used

A gas chromatograph is designed, which uses mechanical structures such as electric telescopic rods and electric push rods. Through mechanisms such as motor drive and chute slide rods, automatic alignment of the sample tank and sampling tube and sample collection are realized to avoid manual operation errors.

Benefits of technology

It realizes the automation of sample detection, reduces manual operation errors and accidents, saves manpower and material resources, and improves experimental efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gas chromatograph for compound analysis and detection, which comprises a box body, a fixed plate, a fixed seat, an electric telescopic rod, a first motor, a lifting rod, an electric push rod and an analysis screen, the fixed plate is arranged on one side of the box body, and the electric telescopic rod is arranged on the fixed plate; a fixing rod is arranged at the end, away from the fixing plate, of the electric telescopic rod, a sample placing plate is arranged at the end, away from the electric telescopic rod, of the fixing rod, a plurality of sampling grooves are formed in the sample placing plate, a containing groove is formed in the position, corresponding to the sample placing plate, of the box body, and the size of the containing groove is matched with the size of the sample placing plate; moving rods are arranged on the two sides of the sample placing plate, sliding grooves are formed in the positions, corresponding to the moving rods, in the containing groove, and the size of the sliding grooves is matched with the size of the moving rods. The sampling box is simple in structure, unused samples can be sampled into the box body for analysis, and a large amount of manpower and material resources are saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas chromatograph equipment, in particular to a gas chromatograph used for compound analysis and detection. Background Art

[0002] Gas chromatography is a chromatographic analysis method that uses gas as the mobile phase, and is mainly used to separate and analyze volatile substances. Gas chromatography has become one of the most important separation and analysis methods, and has been widely used in the fields of medicine and health, petrochemicals, environmental monitoring, biochemistry, etc. Gas chromatographs have the advantages of high sensitivity, high efficiency, high selectivity, fast analysis speed, small sample requirements, and a wide range of applications.

[0003] In the prior art, manual sampling is required for sample detection, which requires a lot of operation and is easy to mix up different samples. If the wrong sample is used, it is likely to cause a major experimental accident and waste manpower and material resources. Therefore, the utility model proposes a gas chromatograph for compound analysis and detection to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a gas chromatograph for compound analysis and detection to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas chromatograph for compound analysis and detection, comprising a box body, a fixed plate, a fixed seat, an electric telescopic rod, a first motor, a lifting rod, an electric push rod and an analysis screen, a fixed plate is provided on one side of the box body, an electric telescopic rod is on the fixed plate, a fixed rod is provided on the end of the electric telescopic rod away from the fixed plate, a layout plate is provided on the end of the fixed rod away from the electric telescopic rod, a plurality of sampling slots are provided on the layout plate, a receiving slot is provided at a position of the box body corresponding to the layout plate, the size of the receiving slot is matched with the size of the layout plate, moving rods are provided on both sides of the layout plate, a slide slot is provided at a position in the receiving slot corresponding to the moving rod, the size of the slide slot is matched with the size of the moving rod.

[0006] Preferably, fixed seats are provided on both sides of the box body, a first motor is provided on one side of the two fixed seats, an adjusting screw is provided at the shaft end of the first motor, the adjusting screw extends into the fixed seat, and sliding rods are provided at positions corresponding to the adjusting screws in the two fixed seats, and movable seats are sleeved on the adjusting screws and the sliding rods, fixed vertical plates are provided on the two movable seats, and fixed horizontal plates are provided on the two fixed vertical plates, and the size of the fixed horizontal plate is adapted to the spacing between the two fixed vertical plates.

[0007] Preferably, movable grooves are provided at positions corresponding to the fixed vertical plates of the two fixed seats, the sizes of the two movable grooves are adapted to the sizes of the fixed vertical plates, an electric push rod is provided on one side of the two fixed vertical plates, and a guide rod is provided at a position corresponding to the electric push rod between the two fixed vertical plates.

[0008] Preferably, a mounting seat is provided on the side of the electric push rod away from the fixed vertical plate, the mounting seat is sleeved on the guide rod, a lifting rod is provided on the lower side of the mounting seat, a support seat is provided on the lower side of the lifting rod, a second motor is provided on one side of the support seat, a bidirectional screw is provided at the shaft end of the second motor, two clamping seats are sleeved on the bidirectional screw, clamping blocks are provided on both clamping seats, clamping grooves are provided at positions of the support seat corresponding to the clamping blocks, and a sampling tube is provided on the support seat near the clamping groove.

[0009] Preferably, an analysis screen is provided on one side of the box body adjacent to the fixing plate, a plurality of operation buttons are provided on the lower side of the analysis screen, and a sampling port is provided on one side of the box body adjacent to the analysis screen.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a simple structure, can collect unused samples into the box for analysis, and saves a lot of manpower and material resources; through the accommodating slot and the electric telescopic rod, it is ensured that the sample plate is stored in the box while waiting for the analysis results; through the first motor and the electric push rod, it is ensured that the sampling tube can be aligned one by one with the sampling slot to avoid mistakes in samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the fixing rod structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the structure of the sample plate of the utility model;

[0013] Figure 3 This is a schematic diagram of the support base structure of the utility model.

[0014] In the figure: 1. box body; 2. fixed plate; 3. fixed seat; 4. electric telescopic rod; 5. first motor; 6. lifting rod; 7. electric push rod; 8. analysis screen; 9. fixed rod; 10. sample plate; 11. sampling slot; 12. fixed vertical plate; 13. fixed horizontal plate; 14. mounting seat; 15. support seat; 16. second motor; 17. clamping block; 18. sampling tube; 19. sampling port. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-3 The utility model provides a technical solution: a gas chromatograph for compound analysis and detection, comprising a box body 1, a fixed plate 2, a fixed seat 3, an electric telescopic rod 4, a first motor 5, a lifting rod 6, an electric push rod 7 and an analysis screen 8. A fixed plate 2 is provided on one side of the box body 1, and an electric telescopic rod 4 is on the fixed plate 2. A fixed rod 9 is provided on the end of the electric telescopic rod 4 away from the fixed plate 2, and a sample plate 10 is provided on the fixed rod 9 at the end away from the electric telescopic rod 4. A plurality of sampling slots 11 are provided on the sample plate 10. A receiving slot is provided at a position of the box body 1 corresponding to the sample plate 10, and a size of the receiving slot is matched with a size of the sample plate 10. Moving rods are provided on both sides of the sample plate 10. A slide slot is provided at a position corresponding to the moving rod in the receiving slot, and a size of the slide slot is matched with a size of the moving rod.

[0019] In this embodiment, fixed seats 3 are provided on both sides of the box body 1, and a first motor 5 is provided on one side of the two fixed seats 3. An adjusting screw is provided at the axial end of the first motor 5, and the adjusting screw extends into the fixed seat 3. Slide rods are provided at positions corresponding to the adjusting screws in the two fixed seats 3, and movable seats are sleeved on the adjusting screws and the slide rods. Fixed vertical plates 12 are provided on the two movable seats, and fixed horizontal plates 13 are provided on the two fixed vertical plates 12. The size of the fixed horizontal plate 13 is adapted to the spacing between the two fixed vertical plates 12.

[0020] In this embodiment, movable grooves are provided at positions of the two fixed seats 3 corresponding to the fixed vertical plates 12, and the sizes of the two movable grooves are adapted to the sizes of the fixed vertical plates 12. An electric push rod 7 is provided on one side of the two fixed vertical plates 12, and a guide rod is provided at a position between the two fixed vertical plates 12 corresponding to the electric push rod 7.

[0021] In this embodiment, a mounting seat 14 is provided on the side of the electric push rod 7 away from the fixed vertical plate 12, and the mounting seat 14 is sleeved on the guide rod. A lifting rod 6 is provided on the lower side of the mounting seat 14, and a support seat 15 is provided on the lower side of the lifting rod 6. A second motor 16 is provided on one side of the support seat 15, and a bidirectional screw is provided at the axial end of the second motor 16. Two clamping seats are sleeved on the bidirectional screw, and clamping blocks 17 are provided on both clamping seats. A clamping groove is provided at a position of the support seat 15 corresponding to the clamping block 17, and a sampling tube 18 is provided on the support seat 15 near the clamping groove.

[0022] In this embodiment, an analysis screen 8 is provided on one side of the box body 1 adjacent to the fixing plate 2 , a plurality of operation buttons are provided on the lower side of the analysis screen 8 , and a sampling port 19 is provided on one side of the box body 1 adjacent to the analysis screen 8 .

[0023] Working principle: The sample plate 10 is slid out of the receiving groove through the electric telescopic rod 4, and then the movable screw is rotated by the first motor 5, so that the fixed vertical plate 12 moves accordingly, and then the sampling tube 18 is aligned with it through the electric push rod 7 according to the required sample, and then the sampling tube 18 is contacted with the sample in the sampling groove 11 through the lifting rod 6, and then the bidirectional screw is rotated by the second motor 16, so as to ensure that the clamping block 17 squeezes the sampling tube 18 and absorbs the sample, and then the sampling tube 18 is aligned with the sampling port 19 through the same method, and the result is obtained through the analysis screen 8.

[0024] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0025] Although the 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 chromatograph for compound analysis and detection, characterized in that: The invention comprises a box body (1), a fixed plate (2), a fixed seat (3), an electric telescopic rod (4), a first motor (5), a lifting rod (6), an electric push rod (7) and an analysis screen (8); a fixed plate (2) is arranged on one side of the box body (1); an electric telescopic rod (4) is arranged on the fixed plate (2); a fixed rod (9) is arranged on one end of the electric telescopic rod (4) away from the fixed plate (2); a sample plate (10) is arranged on the one end of the fixed rod (9) away from the electric telescopic rod (4); a plurality of sampling slots (11) are arranged on the sample plate (10); a receiving slot is arranged at a position of the box body (1) corresponding to the sample plate (10); the size of the receiving slot is matched with the size of the sample plate (10); moving rods are arranged on both sides of the sample plate (10); a slide slot is arranged at a position of the receiving slot corresponding to the moving rod; the size of the slide slot is matched with the size of the moving rod.

2. A gas chromatograph for compound analysis and detection according to claim 1, characterized in that: A fixed seat (3) is provided on both sides of the box body (1), a first motor (5) is provided on one side of the two fixed seats (3), an adjusting screw is provided at the shaft end of the first motor (5), the adjusting screw extends into the fixed seat (3), a sliding rod is provided at a position corresponding to the adjusting screw in the two fixed seats (3), a movable seat is sleeved on the adjusting screw and the sliding rod, a fixed vertical plate (12) is provided on the two movable seats, a fixed horizontal plate (13) is provided on the two fixed vertical plates (12), and the size of the fixed horizontal plate (13) is adapted to the spacing between the two fixed vertical plates (12).

3. A gas chromatograph for compound analysis and detection according to claim 2, characterized in that: The two fixed seats (3) are provided with movable grooves at positions corresponding to the fixed vertical plates (12), and the sizes of the two movable grooves are adapted to the sizes of the fixed vertical plates (12). An electric push rod (7) is provided on one side of the two fixed vertical plates (12), and a guide rod is provided at a position between the two fixed vertical plates (12) corresponding to the electric push rod (7).

4. A gas chromatograph for compound analysis and detection according to claim 3, characterized in that: A mounting seat (14) is provided on the side of the electric push rod (7) away from the fixed vertical plate (12), and the mounting seat (14) is sleeved on the guide rod. A lifting rod (6) is provided on the lower side of the mounting seat (14), and a support seat (15) is provided on the lower side of the lifting rod (6). A second motor (16) is provided on one side of the support seat (15), and a bidirectional screw is provided at the axial end of the second motor (16). Two clamping seats are sleeved on the bidirectional screw, and clamping blocks (17) are provided on both clamping seats. A clamping groove is provided at a position of the support seat (15) corresponding to the clamping block (17), and a sampling tube (18) is provided on the support seat (15) near the clamping groove.

5. A gas chromatograph for compound analysis and detection according to claim 1, characterized in that: An analysis screen (8) is provided on one side of the box body (1) adjacent to the fixing plate (2), a plurality of operation buttons are provided on the lower side of the analysis screen (8), and a sampling port (19) is provided on one side of the box body (1) adjacent to the analysis screen (8).