CN220367257U

CN220367257U - Gas chromatograph sampling device

Info

Publication number: CN220367257U
Application number: CN202322027470.4U
Authority: CN
Inventors: 卢小林
Original assignee: Anhui No3 Space Detection Technology Co ltd
Current assignee: Anhui No3 Space Detection Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-19
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a gas chromatograph sample injection device, which relates to the technical field of gas chromatograph sample injection and comprises a bottom plate and a stand, wherein a support frame is fixedly arranged on the bottom plate, a pair of first motors are fixedly arranged on the support frame, transmission rods are fixedly arranged at the output ends of the first motors, a pair of first clamping blocks are rotatably arranged at one ends of the transmission rods, rotating rods are fixedly arranged on the first clamping blocks, a second clamping block is fixedly arranged at one end of each rotating rod, and the second clamping blocks are rotatably connected with the stand. According to the utility model, the second motor and the first gear are matched for use, so that the injector can be sucked and injected, thus the sample injection operation can be carried out without manual work, the pollution to a sample can be avoided, and the injectors with different specifications and models can be clamped through the matched use of the second hydraulic press and the clamp.

Description

Gas chromatograph sampling device

Technical Field

The utility model relates to the field of gas chromatograph sampling, in particular to a gas chromatograph sampling device.

Background

Gas chromatographs are instruments that utilize chromatographic separation techniques and detection techniques to perform qualitative and quantitative analysis of complex mixtures of multiple components. It is generally useful for analyzing organic substances, such as volatile organic compounds, organic chlorides, organic phosphates, polycyclic aromatic hydrocarbons, phthalate esters, etc., which are thermally stable in the soil and have a boiling point of not more than 500 ℃.

1. The common meteorological chromatograph basically performs sampling and sample introduction by manpower, the pollution to the sample caused by the manual sampling and sample introduction is unavoidable, the accuracy of detection data is reduced, the use is very inconvenient, and much labor cost is wasted; 2. the common meteorological chromatograph basically performs sampling and sample injection through the injector, different types of injectors are needed, and the common sample injection device is difficult to use other types of injectors, so that the device is inconvenient to use and cannot meet the use requirements of people.

Disclosure of Invention

The utility model aims to solve the defects that the manual sampling and sampling in the prior art can cause pollution to a sample and other types of syringes are difficult to use, and provides a gas chromatograph sampling device.

In order to solve the problems that the manual sampling and the sample introduction in the prior art can cause pollution to the sample and are difficult to use other types of syringes, the utility model adopts the following technical scheme:

the gas chromatograph sampling device comprises a bottom plate, a stand, a pair of screws and a box body, wherein a support frame is fixedly arranged on the bottom plate, a pair of first motors are fixedly arranged on the support frame, transmission rods are fixedly arranged at the output ends of the first motors, a pair of first clamping blocks are rotatably arranged at one ends of the transmission rods, rotating rods are fixedly arranged on the first clamping blocks, second clamping blocks are fixedly arranged at one ends of the rotating rods, the second clamping blocks are rotatably connected with the stand, a second motor is fixedly arranged on the stand, a first gear is fixedly arranged at the output end of the second motor, a pair of second gears are rotatably arranged on the stand, the first gears are meshed with the second gears, the second gears are in threaded connection with the screws, the screw rod is all rotated with the box and is connected, the fixed a pair of spacing horizontal pole that is equipped with of box inner wall, it is equipped with a pair of diplopore stopper to slide on the spacing horizontal pole, all be fixed to be equipped with on the diplopore stopper and support the pole setting, it is all fixed to be equipped with a pair of hollow piece to support pole setting one end, a pair of fixed a pair of rack that is equipped with on the hollow piece, another pair hollow piece all with rack sliding connection, the fixed support diaphragm that is equipped with of box, the sliding tray of having seted up on the support diaphragm, the support diaphragm bottom rotates and is equipped with the third gear, the third gear meshes with the rack, and one support pole setting one end is fixed to be equipped with the spliced pole, it is fixed to be equipped with first hydraulic press on the support diaphragm, first hydraulic press piston rod and spliced pole fixed connection.

Preferably, the second hydraulic press is fixedly arranged in the stand, a pair of clamps are rotatably arranged on the stand, fastening grooves are formed in the clamps, and a piston rod of the second hydraulic press is in sliding connection with the fastening grooves.

Preferably, the second gears are rotated in opposite directions, and the screws are threaded in opposite directions.

Preferably, a pair of screws penetrate through the stand, and a pair of first motors are located at two ends of the stand.

Preferably, the supporting upright rod is arranged at the center of the double-hole limiting block, and penetrates through the double-hole limiting block.

Preferably, the connecting column penetrates through the sliding groove, and the hollow blocks are symmetrically distributed at the upper end of the supporting upright rod.

Preferably, the limiting cross bars penetrate through the double-hole limiting block, and a pair of the limiting cross bars are arranged in parallel.

Preferably, the third gear is located intermediate the pair of racks, and the third gear is located intermediate the support cross plate.

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

1. according to the utility model, through the cooperation of the second motor and the first gear, the injector can be used for sucking and injecting, so that the sample injection operation can be performed without manual work, the pollution to a sample can be avoided, the cost of labor is reduced, and the use requirement of people on the device is met;

2. according to the utility model, through the cooperation of the second hydraulic press and the clamp, syringes with different specifications and models can be clamped, so that the device is very convenient to use, and the use requirements of people on the device are met.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the case of the present utility model;

FIG. 3 is a schematic view of a third gear and rack positional relationship according to the present utility model;

FIG. 4 is a schematic illustration of the relationship between the second hydraulic machine and the clamp of the present utility model;

number in the figure: 1. a bottom plate; 11. a support frame; 12. a first motor; 13. a transmission rod; 14. a first clamping block; 15. a rotating lever; 16. a second clamping block; 17. a stand; 18. a second motor; 19. a first gear; 111. a second gear; 112. a screw; 113. a case; 114. a limiting cross bar; 115. a double-hole limiting block; 116. supporting the upright rod; 117. a hollow block; 118. a rack; 119. a supporting cross plate; 121. a sliding groove; 122. a third gear; 123. a connecting column; 124. a first hydraulic press; 2. a second hydraulic press; 21. a clamp; 22. fastening grooves.

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.

Examples: the embodiment provides a gas chromatograph sampling device, see fig. 1-4, specifically, including bottom plate 1, stand 17, a pair of screw rod 112 and box 113, fixedly on bottom plate 1 be equipped with support frame 11, fixedly on support frame 11 be equipped with a pair of first motor 12, first motor 12 output all is fixedly equipped with transfer line 13, transfer line 13 one end all rotates and is equipped with a pair of first clamp splice 14, all be fixedly equipped with dwang 15 on the first clamp splice 14, the second clamp splice 16 all is connected with stand 17 rotation, fixedly on stand 17 be equipped with second motor 18, second motor 18 output is fixed and is equipped with first gear 19, rotate on stand 17 and be equipped with a pair of second gear 111, first gear 19 and second gear 111 mesh mutually, second gear 111 all is connected with screw rod 112 screw thread, screw rod 112 all is connected with box 113 rotation, the inner wall of box 113 is fixedly equipped with a pair of spacing horizontal pole 114, slide on spacing horizontal pole 114 and be equipped with a pair of diplopore stopper 115, all be equipped with fixed support block 116 on the diplopore stopper 116, be equipped with a pair of hollow support block 116, be equipped with a pair of solid support plate 118, one end is equipped with fixed plate 118 and is equipped with fixed plate 118, one end is connected with solid support plate 118, and one end is fixed with solid support plate 118 is equipped with, and is fixed plate 118 is equipped with solid support plate 118.

The rotation directions of the pair of second gears 111 are opposite, the thread directions of the pair of screws 112 are opposite, the pair of screws 112 penetrate through the stand 17, the pair of first motors 12 are located at two ends of the support frame 11, the support vertical rod 116 is located at the center of the double-hole limiting block 115, the support vertical rod 116 penetrates through the double-hole limiting block 115, the connecting column 123 penetrates through the sliding groove 121, the hollow block 117 is symmetrically distributed at the upper end of the support vertical rod 116, the limiting cross rod 114 penetrates through the double-hole limiting block 115, the pair of limiting cross rods 114 are arranged in parallel, the third gear 122 is located between the pair of racks 118, and the third gear 122 is located between the support cross plates 119.

In a specific implementation process, as shown in fig. 1 and 2, the first motor 12 is started to drive the transmission rod 13 to rotate, the transmission rod 13 drives the first clamping block 14 to move, the first clamping block 14 drives the rotation rod 15 to move left and right, the rotation rod 15 drives the second clamping block 16 to move left and right, the second clamping block 16 drives the stand 17 to move left and right, the second motor 18 is started to drive the first gear 19 to rotate, the first gear 19 drives the second gear 111 to rotate, the second gear 111 drives the screw rod 112 to move up and down, the screw rod 112 drives the box 113 to move up and down, the first hydraulic press 124 is started to drive the connecting column 123 to move in the sliding groove 121, the connecting column 123 drives the supporting vertical rod 116 to move, the supporting vertical rod 116 drives the hollow block 117 to move, the hollow block 117 drives the rack 118 to move, the rack 118 drives the third gear 122 to rotate, the third gear 122 drives the pair of racks 118 to move relatively, and the pair of racks 118 drive the pair of supporting vertical rods 116 to move relatively, and the second motor 18 and the first gear 19 are matched with the first gear 19 to be used, so that the injector can be sucked and injected, and the sample can be prevented from being polluted manually.

The second hydraulic machine 2 is fixedly arranged in the stand 17, a pair of clamps 21 are rotatably arranged on the stand 17, fastening grooves 22 are formed in the clamps 21, and a piston rod of the second hydraulic machine 2 is in sliding connection with the fastening grooves 22.

In the specific implementation process, as shown in fig. 4, the second hydraulic machine 2 is started to stretch and retract to drive the clamp 21 to clamp and loosen, and the syringes with different specifications and models can be clamped through the cooperation of the second hydraulic machine 2 and the clamp 21.

The description is as follows: in this embodiment, the first hydraulic press 124 is started to drive the connecting column 123 to displace in the sliding groove 121, the connecting column 123 drives the supporting upright 116 to displace, the supporting upright 116 drives the hollow block 117 to displace, the hollow block 117 drives the rack 118 to displace, the rack 118 drives the third gear 122 to rotate, the third gear 122 drives the pair of racks 118 to displace relatively, and the pair of racks 118 drives the pair of supporting upright 116 to displace relatively.

Specifically, the working principle and the operation method of the utility model are as follows:

step one, the first motor 12 is started to drive the transmission rod 13 to rotate, the transmission rod 13 drives the first clamping block 14 to move, the first clamping block 14 drives the rotation rod 15 to move left and right, the rotation rod 15 drives the second clamping block 16 to move left and right, the second clamping block 16 drives the stand 17 to move left and right, the second motor 18 is started to drive the first gear 19 to rotate, the first gear 19 drives the second gear 111 to rotate, the second gear 111 drives the screw rod 112 to move up and down, the screw rod 112 drives the box 113 to move up and down, the first hydraulic press 124 is started to drive the connecting column 123 to move in the sliding groove 121, the connecting column 123 drives the supporting upright 116 to move, the supporting upright 116 drives the hollow block 117 to move, the hollow block 117 drives the rack 118 to move, the rack 118 drives the third gear 122 to rotate, the third gear 122 drives a pair of racks 118 to move relatively, and the pair of racks 118 drive a pair of supporting upright 116 to move relatively;

step two, starting a second hydraulic press 2 to stretch and retract to drive a clamp 21 to clamp and loosen;

according to the utility model, through the matched use of the second motor 18 and the first gear 19, the injector can be sucked and injected, so that the sample injection operation can be performed without manual work, the pollution to a sample can be avoided, and the injectors with different specifications and models can be clamped through the matched use of the second hydraulic press 2 and the clamp 21.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a gas chromatograph sampling device, includes bottom plate (1), stand (17), a pair of screw rod (112) and box (113), its characterized in that: the utility model discloses a pair of fixed support frame (11) that is equipped with on bottom plate (1), fixed on support frame (11) is equipped with a pair of first motor (12), all fixed transfer line (13) that are equipped with in first motor (12) output, all rotate on transfer line (13) one end and be equipped with a pair of first clamp splice (14), all fixed on first clamp splice (14) are equipped with dwang (15), all fixed on dwang (15) one end is equipped with second clamp splice (16), second clamp splice (16) all rotate with frame (17) and connect, fixed on frame (17) are equipped with second motor (18), second motor (18) output is fixed and is equipped with first gear (19), rotate on frame (17) and be equipped with a pair of second gear (111), first gear (19) and second gear (111) mesh, all with screw rod (112) threaded connection on second gear (111), screw rod (112) all rotate with box (113) and be connected, box (113) are equipped with fixed on a pair of inner wall (113) are equipped with second motor (18), be equipped with a pair of hollow pole setting (116) fixed on the fixed hole (116) both limit block (116), a pair of fixed a pair of rack (118) that is equipped with on hollow piece (117), another pair hollow piece (117) all with rack (118) sliding connection, box (113) are fixed to be equipped with and are supported diaphragm (119), support and seted up sliding tray (121) on diaphragm (119), support diaphragm (119) bottom rotation and be equipped with third gear (122), third gear (122) meshes with rack (118), one support pole setting (116) one end is fixed and is equipped with spliced pole (123), it is equipped with first hydraulic press (124) to fix on support diaphragm (119), first hydraulic press (124) piston rod and spliced pole (123) fixed connection.

2. The gas chromatograph sample injection device of claim 1, wherein: the hydraulic machine is characterized in that a second hydraulic machine (2) is fixedly arranged in the stand (17), a pair of clamps (21) are rotatably arranged on the stand (17), fastening grooves (22) are formed in the clamps (21), and a piston rod of the second hydraulic machine (2) is slidably connected with the fastening grooves (22).

3. The gas chromatograph sample injection device of claim 1, wherein: the rotation directions of the pair of second gears (111) are opposite, and the thread directions of the pair of screws (112) are opposite.

4. The gas chromatograph sample injection device of claim 1, wherein: the pair of screws (112) penetrate through the stand (17), and the pair of first motors (12) are positioned at two ends of the support frame (11).

5. The gas chromatograph sample injection device of claim 1, wherein: the supporting vertical rod (116) is arranged at the center of the double-hole limiting block (115), and the supporting vertical rod (116) penetrates through the double-hole limiting block (115).

6. The gas chromatograph sample injection device of claim 1, wherein: the connecting columns (123) penetrate through the sliding grooves (121), and the hollow blocks (117) are symmetrically distributed at the upper ends of the supporting vertical rods (116).

7. The gas chromatograph sample injection device of claim 1, wherein: the limiting cross rods (114) penetrate through the double-hole limiting blocks (115), and the limiting cross rods (114) are arranged in parallel.

8. The gas chromatograph sample injection device of claim 1, wherein: the third gear (122) is positioned between the pair of racks (118), and the third gear (122) is positioned between the supporting transverse plates (119).