CN219511882U - Edible oil sampling device for food safety supervision - Google Patents

Abstract

The utility model discloses a food safety supervision edible oil sampling device, which comprises a sampling table, wherein a first conveyor and a second conveyor are arranged above the sampling table, a fixing mechanism is arranged above the first conveyor and the second conveyor, a residual sample on the inner wall of the sampling mechanism can be cleaned after the sampling mechanism is used for collecting the sample, the residual sample can influence the accuracy of subsequent detection data, and meanwhile, a filtering mechanism is arranged on the cleaning mechanism and can filter and adsorb water resources cleaned by the cleaning mechanism, so that impurities in the cleaned water resources can be reduced, the cleaned water resources can be recycled better, meanwhile, the edible oil can be sampled and conveyed into a sampling container by the collecting mechanism arranged on the fixing mechanism, the subsequent and better detection can be facilitated, and meanwhile, a protection spring arranged on a clamping plate is matched with a protection plate, so that a fixed edible oil barrel and a sampling bottle can be protected.

Description

Edible oil sampling device for food safety supervision

Technical Field

The utility model relates to the field of food safety supervision sampling devices, in particular to a food safety supervision edible oil sampling device.

Background

Food safety refers to food being nontoxic and harmless, meets the nutritional requirements, does not cause any acute, subacute or chronic harm to human health, food is a daily necessity, most of food can use edible oil in the manufacturing process, the quality problem of the edible oil is always a concern, and the food safety supervision department of the government can regularly sample and detect the edible oil, so that the edible oil can be better sampled, and therefore, the edible oil sampling device for food safety supervision is provided.

Through retrieving as chinese patent publication No. CN 212031022U, a food safety supervision edible oil sampling device is disclosed, concretely relates to food safety technical field, including the box, the inside extraction mechanism that is equipped with of box, extraction mechanism includes the cylinder body, the inside piston that is equipped with of cylinder body, the piston top is fixed to be equipped with the piston rod, piston rod one end is fixed to be equipped with the second electric putter, cylinder body bottom mounting is equipped with inhales oil pipe, inhale oil pipe inside and be equipped with the second dead lever, the second dead lever outer end is fixed to be equipped with the second spring, second spring one end is fixed to be equipped with first baffle. According to the utility model, the second electric push rod pulls the piston to pump sample oil into the vacuum cylinder body upwards, then pushes the piston to discharge the oil, and the sample and the empty beaker are conveyed by the conveyor belts on two sides, so that continuous sampling is completed, the manual workload is reduced, and the sampling efficiency is increased.

However, the device has a certain defect in actual use, and when the device is used, although the piston is pulled by the second electric push rod to upwards suck sample oil into the vacuum cylinder body, the piston is pushed to discharge the oil, and the sample and the empty beaker are conveyed by the conveyor belts on two sides, so that continuous sampling is completed, the manual workload is reduced, the sampling efficiency is increased, but a sampling tube or a part for sampling can have some samples remained on the inner wall after sampling, and the residual samples easily influence the subsequent detection data.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the edible oil sampling device for food safety supervision, which has the advantage of being convenient for cleaning a sampling component or a sampling tube, thereby solving the problems in the prior art.

(II) technical scheme

In order to achieve the advantages of being convenient for cleaning the sampling component or the sampling tube, the utility model adopts the following specific technical scheme:

the edible oil sampling device for food safety supervision comprises a sampling table, wherein a first conveyor and a second conveyor are arranged above the sampling table, and a fixing mechanism is arranged above the sampling table;

the collection mechanism is arranged above the fixing mechanism, the side face of the collection mechanism is connected with the cleaning mechanism, and the filtering mechanism is connected above the cleaning mechanism.

Further, in order to fix sample object and sample container, reduce sample object and sample container's rocking, fixed establishment includes a plurality of shielding frames that set up with sampling bench top, and a plurality of shielding frames are located the both sides face of conveyer one, the both sides face of conveyer two, and shielding frame inner wall both sides are provided with electric telescopic handle one, and electric telescopic handle one's output is provided with the grip block.

Further, in order to protect the sampling object, the damage of sampling object and sampling container is reduced, the side of grip block is provided with a plurality of protection springs, and the link of a plurality of protection springs is provided with the guard plate, and the surface connection of guard plate has edible oil drum and sampling bottle, and the below of edible oil drum and the below of sampling bottle are connected with the top of conveyer one, the top of conveyer two respectively.

Further, in order to sample the object of taking a sample, collection mechanism includes the electric telescopic handle second of being connected with a plurality of shadow frames top inner wall, electric telescopic handle second's output is provided with the mounting panel of being connected with edible oil drum top, sample bottle top, one of them mounting panel wears to be equipped with the sampling hose first of being connected with the inner wall of edible oil drum, sampling hose first surface cover is equipped with control valve first, sampling hose first's conveying end is provided with the conveyer pipe, the conveying end of conveyer pipe runs through a plurality of shadow frames and is connected with sampling hose second, sampling hose second surface cover is equipped with the pump, sampling hose second's conveying end and sample bottle inner wall connection.

Further, in order to wash conveyer pipe or sampling hose two, sampling hose one inner wall behind the sample object, wiper mechanism includes a plurality of support columns that set up with sampling bench below, and a plurality of support column opposite sides are provided with the water storage box, and the water storage box side is provided with a plurality of output tubes, and the conveying end of a plurality of output tubes is provided with control valve two, and control valve two's output is connected with the cleaning tube, and the conveying end of cleaning tube is provided with control valve three, and control valve three's output is connected with the conveyer pipe side.

Further, in order to carry out filtration treatment to the liquid after wasing, the better reuse water resource of being convenient for, filtering mechanism includes the guide holder that sets up with the water storage box top, the guide holder top is provided with the filter cartridge who is connected with a plurality of support column sides, the inner wall of filter cartridge is provided with the division board with the inner wall of water storage box, wherein is located the division board both sides face of filter cartridge inner wall and is provided with the activated carbon sheet, the below of activated carbon sheet, the below and the guide holder top of division board are connected.

Further, for better carrying the water resource after wasing, the filter box top is connected with a plurality of control valves four through the connecting pipe, and the output of a plurality of control valves four is connected with the auxiliary pipe, and the delivery end of auxiliary pipe runs through the sampling platform and is provided with the adsorption pump, and the output of adsorption pump is connected with conveying hose, and conveying hose's both ends conveying end is provided with control valve five, and the conveying end of control valve five is connected with the side of sampling hose two, the side of sampling hose one through the connecting pipe.

(III) beneficial effects

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

(1) Through the wiper mechanism that sets up at collection mechanism, can wash collection mechanism inner wall remaining sample thing after collection mechanism gathers, reduce remaining sample thing and influence subsequent detection data accuracy, filter mechanism who sets up at wiper mechanism simultaneously can filter the absorption to the water resource after the wiper mechanism washs, not only can reduce the impurity in the water resource after wasing, the water resource after the better reuse of still being convenient for washs is favorable to the saving water resource.

(2) Through the fixed establishment that sets up at the sampling platform with conveyer one, conveyer two mutually support, can carry and fix the edible oil that needs the sample, not only can fix with the sample bottle according to the edible oil bucket of equidimension, still alleviateed sampling personnel's work load, work efficiency has been improved, the collection mechanism that sets up at fixed establishment simultaneously, can sample the edible oil and carry in the sample container, be convenient for follow-up better detect, the protection spring that sets up at the grip block simultaneously mutually support with the guard plate, can protect fixed edible oil bucket and sample bottle, reduce the damage of edible oil bucket and sample bottle.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a food safety supervision edible oil sampling device according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of a food safety supervision edible oil sampling device according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a fixing mechanism of a food safety supervision edible oil sampling device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a cleaning mechanism of a food safety supervision edible oil sampling device according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a filtering mechanism of a food safety supervision edible oil sampling device according to an embodiment of the utility model.

In the figure:

1. a sampling station; 2. a first conveyor; 3. a second conveyor; 4. a fixing mechanism; 401. a shielding frame; 402. an electric telescopic rod I; 403. a clamping plate; 5. a collection mechanism; 501. an electric telescopic rod II; 502. a mounting plate; 503. a first sampling hose; 504. a first control valve; 505. a delivery tube; 506. a second sampling hose; 507. a material pump; 6. a cleaning mechanism; 601. a support column; 602. a water storage box; 603. an output pipe; 604. a second control valve; 605. cleaning the tube; 606. a third control valve; 7. a filtering mechanism; 701. a guide seat; 702. a filter box; 703. a partition plate; 704. an activated carbon plate; 8. a protective spring; 9. a protection plate; 10. an edible oil drum; 11. sampling bottle; 12. a control valve IV; 13. an auxiliary tube; 14. an adsorption pump; 15. a conveying hose; 16. and a control valve V.

Detailed Description

For the purpose of further illustrating the concepts of the utility model, there is provided in the drawings, which are a part of the disclosure of the present utility model and are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of the embodiments, with reference to these, it will be understood by those skilled in the art that other possible embodiments and advantages of the utility model may be made, the components in the drawings not being drawn to scale, and that like reference numerals will generally be used to designate like components.

As shown in fig. 1-5, the utility model provides a technical scheme of a food safety supervision edible oil sampling device, which comprises the following steps: the food safety supervision edible oil sampling device comprises a sampling table 1 with a rectangular structure, a platform for placing objects and sampling containers to be sampled, a first conveyor 2 and a second conveyor 3 which are used for placing and conveying the objects and the sampling containers to be sampled, wherein the first conveyor 2 and the second conveyor 3 are consistent with the structure and principle of a conveyor with the model YS-07, so that the details and the drawing are not described, and a fixing mechanism 4 is arranged above the sampling table 1 by the first conveyor 2 and the second conveyor 3;

the fixing mechanism 4 comprises two shielding frames 401 arranged above the sampling table 1, the two shielding frames 401 are positioned on two side surfaces of the first conveyor 2 and two side surfaces of the second conveyor 3, two sides of the inner wall of the shielding frame 401 are provided with a first electric telescopic rod 402 which is horizontally arranged, and the output end of the first electric telescopic rod 402 is provided with a clamping plate 403 which is of a C-shaped structure and is used for fixing a sampled object and a sampled container;

the side of grip block 403 sets up six protection springs 8, and the link of six protection springs 8 is provided with guard plate 9, and the surface of guard plate 9 is connected with edible oil drum 10 and sample bottle 11, and the below of edible oil drum 10 and the below of sample bottle 11 are connected with the top of conveyer one 2, the top of conveyer two 3 respectively.

Specifically, during sampling, sampling personnel respectively place edible oil barrel 10 and sampling bottle 11 at conveyer one 2, conveyer two 3 carry, carry to electric telescopic handle one 402 position department and drive grip block 403 through electric telescopic handle one 402 and remove, make the protection spring 8 that grip block 403 set up and guard plate 9 mutually support edible oil barrel 10 and sampling bottle 11 and carry out fixed centre gripping, appear rocking the condition when reducing the sampling.

As shown in fig. 1-5, a collection mechanism 5 is arranged above the fixing mechanism 4, the collection mechanism 5 comprises a second electric telescopic rod 501 which is vertically arranged and is connected with the inner walls above two shielding frames 401, the output end of the second electric telescopic rod 501 is provided with a rectangular and horizontally arranged mounting plate 502 which is connected with the upper part of the edible oil drum 10 and the upper part of the sampling bottle 11, one mounting plate 502 is penetrated with a first sampling hose 503 which is connected with the inner wall of the edible oil drum 10, the surface of the first sampling hose 503 is sleeved with a first control valve 504, the conveying end of the first sampling hose 503 is provided with a conveying pipe 505, the conveying end of the conveying pipe 505 penetrates through the two shielding frames 401 and is connected with a second sampling hose 506, the surface of the second sampling hose 506 is sleeved with a pumping pump 507, and the conveying end of the second sampling hose 506 is connected with the inner wall of the sampling bottle 11;

the side of the collection mechanism 5 is connected with a cleaning mechanism 6, the cleaning mechanism 6 comprises four supporting columns 601 which are of rectangular structures and are vertically arranged below the sampling table 1 and used for supporting the sampling table 1, the stability of the sampling table 1 is improved, the opposite sides of the four supporting columns 601 are provided with water storage boxes 602 which are of concave structures and used for storing containers of flushing water of the cleaning liquid boxes, the sides of the water storage boxes 602 are provided with two output pipes 603, the conveying ends of the two output pipes 603 are provided with control valves II 604, the output ends of the control valves II 604 are connected with cleaning pipes 605, the conveying ends of the cleaning pipes 605 are provided with control valves III 606, and the output ends of the control valves III 606 are connected with the sides of the conveying pipes 505.

Specifically, the mounting plate 502 and the first sampling hose 503 and the second sampling hose 506 are driven to move downwards by the second electric telescopic rod 501 after being fixed, so that the second sampling hose 506 and the first sampling hose 503 are connected with the edible oil barrel 10 and the sampling bottle 11, the sampling process is convenient to perform better, the material sucking pump 507 arranged by the second sampling hose 506 and the first control valve 504 arranged by the first sampling hose 503 are started during sampling, the material sucking pump 507 and the first control valve 504 are matched with each other, edible oil in the edible oil barrel 10 is conveyed into the second sampling hose 506 and the sampling bottle 11 through the first sampling hose 503 and the conveying pipe 505, the material sucking pump 507 and the first control valve 504 are closed after the sampling is finished, then one of the second control valve 604 and the third control valve 606 is started, and the cleaning liquid of the water storage box 602 is cleaned by the first pair of the second sampling hose 506 and the first sampling hose 503 and the conveying pipe 505 through the output pipe 603 and the cleaning pipe 605, and the attachment of the sampling object is reduced.

As shown in fig. 1-5, a filtering mechanism 7 is connected above the cleaning mechanism 6, the filtering mechanism 7 comprises a guide seat 701 arranged above the water storage boxes 602, a filtering box 702 which is connected with the side surfaces of a plurality of support columns 601 and is in a concave structure is arranged above the guide seat 701 and is used for filtering cleaning liquid after cleaning, a partition plate 703 is arranged on the inner wall of the filtering box 702 and the inner wall of the water storage boxes 602, active carbon plates 704 are arranged on two side surfaces of the partition plate 703 positioned on the inner wall of the filtering box 702, and the lower parts of the active carbon plates 704 and the lower parts of the partition plate 703 are connected with the upper parts of the guide seat 701;

the upper part of the filter box 702 is connected with two control valves IV 12 through a connecting pipe, the output ends of the two control valves IV 12 are connected with an auxiliary pipe 13, the conveying end of the auxiliary pipe 13 penetrates through the sampling table 1 and is provided with an adsorption pump 14, the output end of the adsorption pump 14 is connected with a conveying hose 15, the conveying ends at the two ends of the conveying hose 15 are provided with control valves IV 16, and the conveying end of the control valve IV 16 is connected with the side surface of the sampling hose II 506 and the side surface of the sampling hose I503 through connecting pipes;

the control valve five 16, the adsorption pump 14, the control valve four 12, the control valve three 606, the control valve two 604, the pumping pump 507, the control valve one 504, the electric telescopic rod two 501, the electric telescopic rod one 402, the conveyor one 2, the conveyor two 3 are electrically connected with sensors in actual use, the sensors, the control valve five 16, the adsorption pump 14, the control valve four 12, the control valve three 606, the control valve two 604, the pumping pump 507, the control valve one 504, the electric telescopic rod two 501, the electric telescopic rod one 402, the conveyor one 2 and the conveyor two 3 are electrically connected with controllers, and the controllers, the sensors, the control valve five 16, the adsorption pump 14, the control valve four 12, the control valve three 606, the control valve two 604, the pumping pump 507, the control valve one 504, the electric telescopic rod two 501, the electric telescopic rod one 402, the conveyor one 2 and the conveyor two 3 are electrically connected with external power supplies and switches.

Specifically, one of the four control valves 12, the five control valves 16 and the adsorption pump 14 is simultaneously opened, and the cleaning liquid for the first cleaning is mutually matched with the adsorption pump 14, one of the four control valves 12 and the five control valves 16 through the conveying hose 15 and the auxiliary pipe 13 to be conveyed into the filter box 702, filtered and adsorbed by the activated carbon plate 704, and then conveyed into the storage place of the cleaning liquid in the water storage box 602;

then, the control valve IV 12 and the control valve II 604 which are opened are penetrated, the control valve IV 12 and the control valve II 604 are opened after the control valve IV is closed, so that the flushing water washes the sampling hose II 506, the conveying pipe 505, the sampling hose I503, the conveying hose 15 and the auxiliary pipe 13, and after flushing, the flushing water is conveyed into the filter box 702 through the adsorption pump 14 to be filtered and adsorbed by the activated carbon plate 704, and then is conveyed into the storage place of the flushing water in the water storage box 602, and all the electricity utilization components are closed after flushing.

In summary, by means of the above technical solution of the present utility model, during sampling, the sampling personnel respectively place the edible oil tank 10 and the sampling bottle 11 on the first conveyor 2 and the second conveyor 3 for conveying, and convey the edible oil tank 10 and the sampling bottle to the first position 402 of the electric telescopic rod, and drive the clamping plate 403 to move through the first electric telescopic rod 402, so that the protection spring 8 and the protection plate 9 provided by the clamping plate 403 cooperate with each other to fixedly clamp the edible oil tank 10 and the sampling bottle 11, thereby reducing shaking during sampling;

after the edible oil barrel is fixed, the mounting plate 502, the first sampling hose 503 and the second sampling hose 506 are driven to move downwards through the second electric telescopic rod 501, so that the second sampling hose 506 and the first sampling hose 503 are connected with the interior of the edible oil barrel 10 and the interior of the sampling bottle 11, better sampling treatment is facilitated, the material sucking pump 507 arranged on the second sampling hose 506 and the control valve 504 arranged on the first sampling hose 503 are started during sampling, the material sucking pump 507 and the control valve 504 are mutually matched, and the edible oil in the edible oil barrel 10 is conveyed into the second sampling hose 506 and the sampling bottle 11 through the first sampling hose 503 and the conveying pipe 505;

after sampling is finished, the material sucking pump 507 and the first control valve 504 are closed, then one of the second control valve 604 and the third control valve 606 is opened, so that the cleaning liquid of the water storage box 602 is cleaned through the output pipe 603, the first pair of sampling hoses 506 of the cleaning pipe 605, the first sampling hose 503 and the conveying pipe 505, and the adhesion of the sampled materials is reduced;

simultaneously, one of the control valves IV 12, the control valve V16 and the adsorption pump 14 is started, and the cleaning liquid for the first cleaning is mutually matched with the adsorption pump 14, one of the control valves IV 12 and the control valve V16 through the conveying hose 15 and the auxiliary pipe 13 to be conveyed into the filter box 702, filtered and adsorbed through the activated carbon plate 704 and then conveyed into the storage place of the cleaning liquid in the water storage box 602;

then, the control valve IV 12 and the control valve II 604 which are opened are penetrated, the control valve IV 12 and the control valve II 604 are opened after the control valve IV is closed, so that the flushing water washes the sampling hose II 506, the conveying pipe 505, the sampling hose I503, the conveying hose 15 and the auxiliary pipe 13, and after flushing, the flushing water is conveyed into the filter box 702 through the adsorption pump 14 to be filtered and adsorbed by the activated carbon plate 704, and then is conveyed into the storage place of the flushing water in the water storage box 602, and all the electricity utilization components are closed after flushing.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The edible oil sampling device for food safety supervision is characterized by comprising a sampling table (1), wherein a first conveyor (2) and a second conveyor (3) are arranged above the sampling table (1), and a fixing mechanism (4) is arranged above the sampling table (1) and positioned above the first conveyor (2) and the second conveyor (3);

the device is characterized in that a collection mechanism (5) is arranged above the fixing mechanism (4), a cleaning mechanism (6) is connected to the side face of the collection mechanism (5), and a filtering mechanism (7) is connected to the upper portion of the cleaning mechanism (6).

2. The edible oil sampling device for food safety supervision according to claim 1, wherein the fixing mechanism (4) comprises a plurality of shielding frames (401) arranged above the sampling table (1), the shielding frames (401) are arranged on two side surfaces of the first conveyor (2) and two side surfaces of the second conveyor (3), electric telescopic rods (402) are arranged on two sides of the inner wall of the shielding frames (401), and clamping plates (403) are arranged at the output ends of the electric telescopic rods (402).

3. The edible oil sampling device for food safety supervision according to claim 2, wherein a plurality of protection springs (8) are arranged on the side face of the clamping plate (403), a plurality of protection springs (8) are arranged at the connecting ends of the protection springs (8), an edible oil barrel (10) and a sampling bottle (11) are connected to the surface of the protection plates (9), and the lower part of the edible oil barrel (10) and the lower part of the sampling bottle (11) are respectively connected with the upper part of the first conveyor (2) and the upper part of the second conveyor (3).

4. A food safety supervision edible oil sampling device according to claim 3, characterized in that the collection mechanism (5) comprises a second electric telescopic rod (501) connected with the inner wall above a plurality of shielding frames (401), the output end of the second electric telescopic rod (501) is provided with a mounting plate (502) connected with the upper part of the edible oil barrel (10) and the upper part of the sampling bottle (11), one of the mounting plates (502) is provided with a first sampling hose (503) connected with the inner wall of the edible oil barrel (10) in a penetrating way, the surface of the first sampling hose (503) is provided with a first control valve (504), the conveying end of the first sampling hose (503) is provided with a conveying pipe (505), the conveying end of the conveying pipe (505) penetrates through the plurality of shielding frames (401) to be connected with a second sampling hose (506), the surface of the second sampling hose (506) is provided with a pumping pump (507), and the conveying end of the second sampling hose (506) is connected with the inner wall of the sampling bottle (11).

5. The edible oil sampling device for food safety supervision according to claim 4, wherein the cleaning mechanism (6) comprises a plurality of support columns (601) arranged below the sampling table (1), a plurality of water storage boxes (602) are arranged on opposite sides of the support columns (601), a plurality of output pipes (603) are arranged on sides of the water storage boxes (602), a second control valve (604) is arranged at a conveying end of each output pipe (603), a cleaning pipe (605) is connected to an output end of the second control valve (604), a third control valve (606) is arranged at a conveying end of the cleaning pipe (605), and an output end of the third control valve (606) is connected to sides of the conveying pipe (505).

6. The edible oil sampling device for food safety supervision according to claim 5, wherein the filtering mechanism (7) comprises a guide seat (701) arranged above the water storage box (602), a filtering box (702) connected with the side surfaces of the plurality of supporting columns (601) is arranged above the guide seat (701), a partition plate (703) is arranged on the inner wall of the filtering box (702) and the inner wall of the water storage box (602), active carbon plates (704) are arranged on the two side surfaces of the partition plate (703) positioned on the inner wall of the filtering box (702), and the lower parts of the active carbon plates (704) and the lower parts of the partition plate (703) are connected with the upper parts of the guide seat (701).

7. The edible oil sampling device for food safety supervision according to claim 6, wherein a plurality of control valves IV (12) are connected above the filter box (702) through connecting pipes, the output ends of the control valves IV (12) are connected with auxiliary pipes (13), the conveying ends of the auxiliary pipes (13) penetrate through the sampling table (1) and are provided with adsorption pumps (14), the output ends of the adsorption pumps (14) are connected with conveying hoses (15), the conveying ends at two ends of the conveying hoses (15) are provided with control valves IV (16), and the conveying ends of the control valves IV (16) are connected with the side surfaces of the sampling hoses II (506) and the side surfaces of the sampling hoses I (503) through connecting pipes.