CN217687932U - Sampling device of gas chromatograph - Google Patents

Abstract

The utility model discloses a gas chromatograph's sampling device, including outer loop and backup pad be equipped with the ring channel between outer loop and the backup pad, be equipped with a plurality of sampler barrels in the ring channel, it is a plurality of the sampler barrel all is connected with the ring channel through slide mechanism, through connecting plate fixed connection between outer loop and the backup pad, the connecting plate top is equipped with driving motor, driving motor passes through elevating system and is connected with the connecting plate. The utility model discloses a set up a plurality of samplers, slide mechanism, elevating system and block mechanism, be equipped with a plurality of samplers on this sampling device, can slide in the ring channel and cooperate driving motor decline again, realize driving helical blade with the axis of rotation block and rotate and accomplish the sample, a plurality of samplers make the device single can carry out the sample operation to multiple soil, make the sample efficient, and very convenient, a driving motor of a plurality of samplers sharing simultaneously, can reduce manufacturing cost in the energy can be saved.

Description

Sampling device of gas chromatograph

Technical Field

The utility model relates to a gas chromatograph technical field especially relates to a gas chromatograph's sampling device.

Background

The gas chromatograph is a chromatographic analysis device using gas as a mobile phase, and the principle of the gas chromatograph is to separate a mixture mainly by using differences in boiling point, polarity and adsorption properties of substances.

The sample of gas chromatograph needs to realize the sample with the help of sampling device, especially need realize the sample operation with the help of boring the equipment to taking a sample to soil class sample, bore among the prior art and get equipment simple structure, often be simple heliciform blade and dwang and motor combination and form, it is accurate in order to guarantee the analysis result, it can only bore a kind of soil to bore the equipment single, take out and can only bore other soil samples after wasing equipment again, therefore, when needing to bore and get multiple soil sample, whole sampling process can become very loaded down with trivial details, will consume a large amount of time, finally lead to boring the sample inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device of a gas chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas chromatograph's sampling device, includes outer loop and backup pad, be equipped with the ring channel between outer loop and the backup pad, be equipped with a plurality of samplers in the ring channel, it is a plurality of the sampler barrel all is connected with the ring channel through slide mechanism, pass through connecting plate fixed connection between outer loop and the backup pad, the connecting plate top is equipped with driving motor, driving motor passes through elevating system and is connected with the connecting plate, and is a plurality of all rotate in the sampler barrel and be connected with the axis of rotation, the axis of rotation outer wall is equipped with the helical blade with the laminating of sampler barrel inner wall, driving motor passes through block mechanism and is connected with the axis of rotation, and is a plurality of sampler barrel side all is equipped with collects the box, the sampler barrel outer wall is equipped with and collects box complex opening, the sampler barrel outer wall is equipped with the shifting chute that is located the opening upper and lower place, be equipped with the dead lever in the shifting chute, the dead lever passes through elastic mechanism and is connected with the shifting chute, the fixed rod tip runs through the shifting chute inner wall and extends to in the opening, collect the box outer wall and be equipped with dead lever complex fixed slot.

Preferably, the sliding mechanism comprises a supporting block fixed on the outer wall of the sampling cylinder, a supporting groove matched with the supporting block is formed in the inner wall of the annular groove, a plurality of fixing bolts extending into the supporting groove are connected to the outer ring and the supporting plate in a threaded mode, and threaded holes matched with the fixing bolts are formed in the supporting block.

Preferably, elevating system is including being fixed in the electric telescopic handle of connecting plate up end, the flexible outer wall of electric telescopic handle is fixed with the piece that links up, link up piece lateral wall and driving motor outer wall fixed connection.

Preferably, the clamping mechanism comprises a clamping groove arranged at the end part of the rotating shaft, a plurality of concave grooves are formed in the inner wall of the clamping groove, the end part of the output shaft of the driving motor penetrates through the connecting plate and extends into the annular groove, and a plurality of convex strips matched with the concave grooves are formed in the outer wall of the output shaft of the driving motor.

Preferably, the elastic mechanism comprises a spring elastically connected with the inner wall of the moving groove, the end part of the spring is fixedly connected with the end part of the fixed rod, and the side wall of the fixed rod is further fixed with a moving shifting block.

Preferably, collect box both sides wall and all be equipped with the viewing aperture, be equipped with the transparent plate of ya keli material in the viewing aperture.

The utility model has the advantages that:

1. through setting up a plurality of sampling barrels, slide mechanism, elevating system and block mechanism, be equipped with a plurality of sampling barrels on this sampling device, can slide in the ring channel and cooperate driving motor decline again, realize driving helical blade with the axis of rotation block and rotate and accomplish the sample, a plurality of sampling barrels make the device single can carry out the sample operation to multiple soil, it is efficient to make the sample, and very convenient, a driving motor of a plurality of sampling barrels sharing simultaneously, can be in the energy saving reduce manufacturing cost.

2. Through setting up fixing bolt and screw hole, can guarantee its connection stability when the sampler barrel removes under driving motor and is located other positions in the ring channel.

3. Through setting up dead lever, fixed slot and elastic mechanism, the soil that bores through helical blade can get into through the opening after rising in the sampler barrel and collect the box, and the rethread removes the shifting block and can remove the dead lever and make its and fixed slot separation to remove the fixed connection who collects box and sampler barrel, thereby be convenient for dismantle collection box and soil sample, improved the holistic convenience of device to a certain extent.

Drawings

Fig. 1 is a schematic top view of a sampling device of a gas chromatograph according to the present invention;

fig. 2 is a schematic structural diagram of a sampling cylinder of a sampling device of a gas chromatograph according to the present invention;

fig. 3 is an enlarged view of a structure of fig. 2.

In the figure: the sampler comprises an outer ring 1, an annular groove 2, a connecting plate 3, a driving motor 4, a supporting plate 5, a supporting block 6, a fixing bolt 7, a squeezing plate 8, a sampling cylinder 9, a rotating shaft 10, a collecting box 11, a helical blade 12, a moving groove 13, a fixing rod 14, a spring 15 and a fixing groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a sampling device of a gas chromatograph, including outer loop 1 and backup pad 5, be equipped with ring channel 2 between outer loop 1 and the backup pad 5, be equipped with a plurality of sampler barrels 9 in the ring channel 2, a plurality of sampler barrels 9 all are connected with ring channel 2 through slide mechanism, slide mechanism is including the supporting shoe 6 that is fixed in the sampler barrel 9 outer wall, ring channel 2 inner wall is equipped with supports the groove with supporting shoe 6 complex, threaded connection has a plurality of fixing bolt 7 that extend to in supporting the groove on outer loop 1 and the backup pad 5, be equipped with the screw hole with fixing bolt 7 complex on the supporting shoe 6, sampler barrel 9 can slide the adjusting position in ring channel 2 through supporting shoe 6, can realize the rigidity through fixing bolt 7 and screw hole, thereby guarantee its stable connection with driving motor 4 when using, and the stable connection of outer loop 1 and backup pad 5 when not using.

Through connecting plate 3 fixed connection between outer loop 1 and the backup pad 5, be equipped with driving motor 4 above the connecting plate 3, driving motor 4 passes through elevating system and is connected with connecting plate 3, elevating system is including the electric telescopic handle who is fixed in the 3 up end of connecting plate, the flexible outer wall of electric telescopic handle is fixed with the piece that links up, link up a piece lateral wall and 4 outer wall fixed connection of driving motor, electric telescopic handle can drive driving motor 4 and carry out the operation of going up and down to make driving motor 4's output shaft and axis of rotation 10 realize block and separation.

All rotate in a plurality of sampling barrels 9 and be connected with axis of rotation 10, axis of rotation 10 outer wall is equipped with the helical blade 12 with the laminating of sampling barrel 9 inner wall, driving motor 4 passes through block mechanism and is connected with axis of rotation 10, block mechanism is including setting up in the block groove of axis of rotation 10 tip, block inslot wall is equipped with a plurality of concave groove, driving motor 4 output shaft tip runs through connecting plate 3 and extends to in the ring channel 2, driving motor 4 output shaft outer wall is equipped with a plurality of sand grips with concave groove complex, insert in the block groove when driving motor 4's output shaft, and make in the concave groove of sand grip and block inslot simultaneously, start driving motor 4 afterwards and can drive axis of rotation 10 and rotate, thereby drive helical blade 12 and rotate.

A plurality of sampler barrels 9 side all is equipped with collects box 11, sampler barrel 9 outer wall be equipped with collect box 11 complex opening, sampler barrel 9 outer wall is equipped with the shifting chute 13 that is located the opening upper and lower place, be equipped with dead lever 14 in the shifting chute 13, dead lever 14 tip runs through shifting chute 13 inner wall and extends to in the opening, collect box 11 outer wall be equipped with dead lever 14 complex fixed slot 16, dead lever 14 passes through elastic mechanism and is connected with shifting chute 13, elastic mechanism includes the spring 15 with shifting chute 13 inner wall elastic connection, spring 15 tip and dead lever 14 tip fixed connection, dead lever 14 lateral wall still is fixed with the removal shifting block, the elasticity that spring 1515 provided can promote dead lever 14 tip and insert in fixed slot 16, thereby guarantee to collect box 11 and sampler barrel 9's stable connection.

Collect 11 both sides walls of box and all be equipped with the viewing aperture, be equipped with the transparent plate of ya keli material in the viewing aperture, the volume of collecting the interior soil sample of box 11 can be observed at any time through the transparent plate of ya keli material.

The utility model discloses during the use, remove fixedly to one of them sampler barrel 9, remove it to under driving motor 4 afterwards, screw up fixing bolt 7 again and guarantee its and outer loop 1 and backup pad 5 connection stability, start electric telescopic handle afterwards and drive driving motor 4 and descend, thereby make the output shaft card of driving motor 4 go into in the block groove on the axis of rotation 10, and make in the concave groove in sand grip and the block groove simultaneously, start driving motor 4 afterwards and can drive axis of rotation 10 and rotate, thereby drive helical blade 12 and rotate, rethread stripper plate 8 pushes down whole device and makes it bore ground and accomplish soil sampling, the soil sample that drills through helical blade 12 can rise in sampler barrel 9, finally get into collection box 11 through the opening;

when the current sampling cylinder 9 finishes soil sampling, the unused sampling cylinder 9 needs to be replaced, so that the soil sampling is ensured not to be mixed, the accuracy of the final analysis result is ensured, and the sampling cylinder 9 is replaced according to the operation;

after a plurality of sampler barrels 9 are partially or completely sampled, the whole device is brought into a laboratory, and then the fixing of the collection box 11 needs to be released, so that a soil sample is taken out, the fixing rod 14 can be driven to move in the moving groove 13 by the aid of the moving shifting block, so that the end part of the fixing rod 14 is driven to be separated from the fixing groove 16, the fixing of the collection box 11 is released, the fixing can be easily taken down and the sample can be taken out, the whole device can be cleaned after all the soil samples are taken out, and the cleanliness of the whole device is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A sampling device of a gas chromatograph comprises an outer ring (1) and a support plate (5), and is characterized in that an annular groove (2) is arranged between the outer ring (1) and the support plate (5), a plurality of sampling cylinders (9) are arranged in the annular groove (2), the sampling cylinders (9) are connected with the annular groove (2) through sliding mechanisms, the outer ring (1) is fixedly connected with the support plate (5) through a connecting plate (3), a driving motor (4) is arranged above the connecting plate (3), the driving motor (4) is connected with the connecting plate (3) through a lifting mechanism, a plurality of sampling cylinders (9) are connected with a rotating shaft (10) in a rotating manner, axis of rotation (10) outer wall is equipped with helical blade (12) with sampler barrel (9) inner wall laminating, driving motor (4) are connected, a plurality of through block mechanism and axis of rotation (10) sampler barrel (9) side all is equipped with collects box (11), sampler barrel (9) outer wall is equipped with and collects box (11) complex opening, sampler barrel (9) outer wall is equipped with movable groove (13) that are located the opening upper and lower side, be equipped with dead lever (14) in movable groove (13), dead lever (14) are connected with movable groove (13) through elastic mechanism, dead lever (14) tip runs through movable groove (13) inner wall and extends to opening (13) And the outer wall of the collecting box (11) is provided with a fixing groove (16) matched with the fixing rod (14).

2. The sampling device of a gas chromatograph according to claim 1, wherein the sliding mechanism comprises a support block (6) fixed on the outer wall of the sampling cylinder (9), the inner wall of the annular groove (2) is provided with a support groove matched with the support block (6), the outer ring (1) and the support plate (5) are in threaded connection with a plurality of fixing bolts (7) extending into the support groove, and the support block (6) is provided with threaded holes matched with the fixing bolts (7).

3. The sampling device of a gas chromatograph according to claim 1, wherein the lifting mechanism comprises an electric telescopic rod fixed on the upper end surface of the connecting plate (3), the outer telescopic wall of the electric telescopic rod is fixed with a joint block, and the side wall of the joint block is fixedly connected with the outer wall of the driving motor (4).

4. The sampling device of a gas chromatograph according to claim 1, wherein the engaging mechanism comprises an engaging groove disposed at an end of the rotating shaft (10), an inner wall of the engaging groove is provided with a plurality of concave grooves, an end of an output shaft of the driving motor (4) extends through the connecting plate (3) and into the annular groove (2), and an outer wall of the output shaft of the driving motor (4) is provided with a plurality of convex strips matching with the concave grooves.

5. The sampling device of a gas chromatograph according to claim 1, wherein the elastic mechanism comprises a spring (15) elastically connected to the inner wall of the moving groove (13), the end of the spring (15) is fixedly connected to the end of the fixed rod (14), and a moving dial block is further fixed to the side wall of the fixed rod (14).

6. The sampling device of a gas chromatograph according to claim 1, wherein two side walls of the collecting box (11) are provided with viewing ports, and transparent plates made of acrylic material are arranged in the viewing ports.

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