Gas chromatograph for biological catalysis

Abstract

The utility model discloses a gas chromatograph for biological catalysis in the technical field of gas chromatographs, which comprises a gas chromatograph body and a sample feeder movably mounted at the top of the body, a fixing plate is mounted at the top of the body and positioned on one side of the sample feeder, a fixing seat is mounted at the top of the body and positioned on the other side of the sample feeder, and a gas inlet is formed in the fixing seat. A clamping piece used for fixing the sample feeder is installed on one side of the fixing plate, after the sample feeder and the body are spliced and installed, the clamping piece is used for wrapping and clamping the outer side of the sample feeder, so that the clamping piece clamps and fixes the sample feeder, in the same way, the abutting piece is used for abutting and fixing the other side of the sample feeder, and the sample feeder is prevented from deviating or shaking. And the mounting stability of the sample feeder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas chromatograph field, concretely is a gas chromatograph for biological catalysis. BACKGROUND

[0002] Biological catalysis generally refers to biological transformation, and the biological transformation refers to a metabolic process that a poison changes a chemical structure after enzyme catalysis, that is, the poison has qualitative change, and the biological transformation is an important event that occurs before the poison is eliminated in a biological body, and a typical outcome is to produce a nontoxic or low-toxic metabolite, therefore, the biological transformation is equated with detoxification, biological catalysis usually utilizes a gas chromatograph to carry out experimental operation, and the gas chromatograph is an instrument that utilizes chromatographic separation technology and detection technology to qualitatively and quantitatively analyze a complex mixture of multiple components, and can be usually used for analyzing soil organic matter that is heat stable and has a boiling point of not more than 500 DEG C, such as volatile organic matter, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbon, phthalate ester and the like.

[0003] The existing gas chromatograph is directly inserted with a sample feeder at the top, the sample feeder is used for conveying a sample to the gas chromatograph, the stability of the sample feeder and the equipment is low, the sample feeder cannot be conveniently limited and fixed from multiple directions, and the installation and fixing stability and practicality of the sample feeder are affected, therefore, a gas chromatograph for biological catalysis needs to be designed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a gas chromatograph for biological catalysis, which aims to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gas chromatograph for biological catalysis, comprising a body of the gas chromatograph and a sample feeder movably installed on the top of the body, a fixing plate is installed on the top of the body and at one side of the sample feeder, a fixing seat is installed on the top of the body and at the other side of the sample feeder, a clamping piece for fixing the sample feeder is installed on one side of the fixing plate, and a resisting piece for fixing the sample feeder is installed on the other side of the fixing seat.

[0006] Preferably, the clamping piece comprises a sliding frame penetrating one side of the fixing plate, one end of the sliding frame is fixedly connected with a mounting frame, a first screw rod penetrates one side of the sliding frame, the first screw rod is rotationally connected with the fixing plate, the first screw rod penetrates the sliding frame and is screwed therewith, and the sliding frame penetrates the fixing plate and is slidingly connected therewith.

[0007] Preferably, the clamping piece further comprises a second screw rod penetrating through two ends of the mounting frame respectively, one end of the second screw rod is fixedly connected with an anti-off part, the outer side of the anti-off part is sleeved with a clamping plate, the second screw rod penetrates through the mounting frame and is screwed with the same, and the anti-off part is rotationally connected with the clamping plate and cannot be separated.

[0008] Preferably, the abutting piece comprises a sliding rod penetrating through one side of the fixing base, springs are sleeved on the outer side of the sliding rod and close to two ends respectively, one end of the sliding rod is fixedly connected with an abutting plate, and the sliding rod penetrates through the fixing base and is slidingly connected with the same.

[0009] Preferably, the clamping plate is fixedly connected with a limiting block on one side, and a sliding groove for providing a sliding path of the limiting block is formed on the other side of the mounting frame close to the top.

[0010] Preferably, a fixing rod is fixedly installed on the inner side of the sliding groove, and the fixing rod penetrates through the limiting block and is slidingly connected with the same.

[0011] Preferably, the one side of the clamping plate and the one side of the abutting plate are respectively paved with anti-skid pads.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. After the sample sender and the body are spliced and installed, the clamping piece is used for wrapping and clamping the outer side of the sample sender, so that the clamping piece clamps and fixes the sample sender, and the abutting piece is used for abutting and fixing the other side of the sample sender, so that the sample sender is prevented from deviating or shaking, and the stability of the installed sample sender is improved.

[0014] 2. The cross sections of the sliding frame and the mounting frame are U-shaped, the first screw rod can drive the sliding frame to penetrate through the fixed plate and slide, and the second screw rod can drive the clamping plate to approach or move away from the sample sender through the anti-off part, so that the mounting frame and the clamping plate can clamp and fix the outer side of the sample sender in three directions.

[0015] 3. The cross section of the sliding rod is U-shaped, the sliding rod can support and guide the abutting plate, the sliding rod prevents the abutting plate from deviating or shaking, and the spring on the outer side of the sliding rod can extrude and push the abutting plate, so that the abutting plate abuts and supports the other side of the sample sender, and the stability of the spliced and installed sample sender and the body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a left view of the overall structure of the utility model;

[0018] Figure 3 It is a front view of the overall structure of the utility model;

[0019] Figure 4 The whole structure of the utility model Figure 3 The enlarged view of A in the middle.

[0020] In the figure: 1, the body; 2, sample feeder; 3, fixed plate; 4, fixed seat; 5, sliding frame; 6, mounting bracket; 7, first screw; 8, second screw; 9, anti-drop part; 10, clamping plate; 11, sliding rod; 12, spring; 13, stop plate; 14, limit block; 15, sliding groove; 16, fixed rod; 17, non-slip pad. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-4 The utility model provides a gas chromatograph for biological catalysis, including the body 1 of gas chromatograph and the sample feeder 2 of movable installation in the top of body 1, and the fixed plate 3 of installation in the top of body 1 and at one side of sample feeder 2, and the fixed seat 4 of installation in the top of body 1 and at the other side of sample feeder 2, and the clamping piece of installation in one side of fixed plate 3 for fixing sample feeder 2, and the stop piece of installation in the other side of fixed seat 4 for fixing sample feeder 2.

[0024] Wherein, sample feeder 2 and body 1 splice installation utilize clamping piece to the outside of sample feeder 2 and be wrapped clamping, so that clamping piece carries out the clamping fixed of sample feeder 2, and similarly using stop piece carries out the stop fixed of the other side of sample feeder 2, prevents sample feeder 2 and shifts or shakes, improves the stability of installation sample feeder 2.

[0025] Specifically, the clamping piece comprises a sliding frame 5 penetrating through one side of the fixed plate 3, one end of the sliding frame 5 is fixedly connected with a mounting frame 6, a first screw rod 7 penetrates through one side of the sliding frame 5, the clamping piece further comprises second screw rods 8 penetrating through two ends of the mounting frame 6 respectively, one end of the second screw rod 8 is fixedly connected with an anti-dropping part 9, the anti-dropping part 9 is sleeved with a clamping plate 10 outside, one side of the clamping plate 10 is fixedly connected with a limiting block 14, a sliding groove 15 for providing a sliding path of the limiting block 14 is arranged on the other side of the mounting frame 6 and close to the top, a fixed rod 16 is fixedly installed inside the sliding groove 15, anti-skid pads 17 are respectively laid on one side of the clamping plate 10 and one side of the resisting plate 13, the fixed rod 16 penetrates through the limiting block 14 and is in sliding connection therewith, the second screw rod 8 penetrates through the mounting frame 6 and is in screw connection therewith, the anti-dropping part 9 is in rotational connection with the clamping plate 10 and does not come off, the first screw rod 7 is in rotational connection with the fixed plate 3, the first screw rod 7 penetrates through the sliding frame 5 and is in screw connection therewith, the sliding frame 5 penetrates through the fixed plate 3 and is in sliding connection therewith.

[0026] More specifically, the anti-skid pads 17 can protect the sample feeder 2 from sliding or rubbing, the cross sections of the sliding frame 5 and the mounting frame 6 are U-shaped, the sliding frame 5 can be driven to penetrate through the fixed plate 3 and slide by the first screw rod 7, the clamping plate 10 can be driven to approach or move away from the sample feeder 2 by the second screw rod 8 through the anti-dropping part 9, the sliding groove 15 can guide and limit the clamping plate 10 through the limiting block 14, the fixed rod 16 can limit and guide the limiting block 14 by penetrating through the limiting block 14, so as to prevent the limiting block 14 from coming off the sliding groove 15 and prevent the clamping plate 10 from deviating or sliding, so that the mounting frame 6 and the clamping plate 10 can clamp and fix the sample feeder 2 from three directions outside.

[0027] Further, the resisting piece comprises a sliding rod 11 penetrating through one side of the fixed base 4, springs 12 are sleeved on the outside of the sliding rod 11 and close to both ends respectively, one end of the sliding rod 11 is fixedly connected with a resisting plate 13, the sliding rod 11 penetrates through the fixed base 4 and is in sliding connection therewith.

[0028] The cross section of the sliding rod 11 is U-shaped, the sliding rod 11 can support and guide the resisting plate 13, so as to prevent the resisting plate 13 from deviating or shaking, the springs 12 on the outside of the sliding rod 11 can extrude and push the resisting plate 13, so as to make the resisting plate 13 resist and support the other side of the sample feeder 2, thereby improving the stability of the sample feeder 2 after being spliced and installed with the body 1.

[0029] Working principle: firstly make the sample feeder 2 and the body 1 splice installation, then rotate the first screw rod 7 and the second screw rod 8 respectively, at this time the first screw rod 7 drives the sliding frame 5 to penetrate through the fixed plate 3 and slide, then make the second screw rod 8 drive the clamping plate 10 to approach the sample feeder 2 through the anti-off portion 9, and the sliding groove 15 guides and limits the clamping plate 10 through the limiting block 14, and the limiting block 14 slides outside the fixed rod 16, then the two clamping and mounting frames 6 limit and fix the sample feeder 2, then the spring 12 outside the sliding rod 11 extrudes and pushes the abutting plate 13, and the abutting plate 13 abuts and supports the other side of the sample feeder 2.

[0030] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gas chromatograph for biocatalysis, comprising a gas chromatograph body (1) and a sample feeder (2) movably mounted on the top of the body (1), characterized in that: A fixing plate (3) is installed on the top of the body (1) and on one side of the sample feeder (2). A fixing seat (4) is installed on the top of the body (1) and on the other side of the sample feeder (2). A clamping member for fixing the sample feeder (2) is installed on one side of the fixing plate (3), and an abutting member for fixing the sample feeder (2) is installed on the other side of the fixing seat (4).

2. The gas chromatograph for biocatalysis according to claim 1, characterized in that: The clamping member includes a sliding frame (5) that passes through one side of the fixed plate (3). One end of the sliding frame (5) is fixedly connected to a mounting bracket (6). A first screw (7) passes through one side of the sliding frame (5). The first screw (7) is rotatably connected to the fixed plate (3). The first screw (7) passes through the sliding frame (5) and is screwed to it. The sliding frame (5) passes through the fixed plate (3) and is slidably connected to it.

3. A gas chromatograph for biocatalysis according to claim 2, characterized in that: The clamping component also includes a second screw (8) passing through both ends of the mounting frame (6). One end of the second screw (8) is fixedly connected to an anti-detachment part (9). A clamping plate (10) is fitted on the outside of the anti-detachment part (9). The second screw (8) passes through the mounting frame (6) and is screwed to it. The anti-detachment part (9) is rotatably connected to the clamping plate (10) and does not detach.

4. A gas chromatograph for biocatalysis according to claim 3, characterized in that: The abutment includes a sliding rod (11) that passes through one side of the fixed base (4). Springs (12) are fitted on the outside of the sliding rod (11) and close to both ends. A stop plate (13) is fixedly connected to one end of the sliding rod (11). The sliding rod (11) passes through the fixed base (4) and is slidably connected to it.

5. A gas chromatograph for biocatalysis according to claim 3, characterized in that: A limiting block (14) is fixedly connected to one side of the clamping plate (10), and a sliding groove (15) is provided on the other side of the mounting bracket (6) near the top to provide a sliding path for the limiting block (14).

6. A gas chromatograph for biocatalysis according to claim 5, characterized in that: A fixing rod (16) is fixedly installed inside the sliding groove (15), and the fixing rod (16) passes through the limiting block (14) and is slidably connected to it.

7. A gas chromatograph for biocatalysis according to claim 4, characterized in that: Anti-slip pads (17) are laid on one side of the clamping plate (10) and the other side of the abutment plate (13).

Images