CN215953079U - Oil appearance ration sampling tool - Google Patents

Abstract

The utility model relates to a quantitative oil sample sampling tool which comprises a cylinder body, an adjusting cap and a piston, wherein an external thread sleeve is arranged in the cylinder body, the outer surface of the external thread sleeve is provided with scale marks, a liquid inlet nozzle, a liquid outlet nozzle and two plugs are arranged on the front end surface of the cylinder body, the liquid inlet nozzle and the liquid outlet nozzle are both communicated with the inner side of the external thread sleeve, a liquid inlet check valve and a liquid outlet check valve are respectively arranged in the liquid inlet nozzle and the liquid outlet nozzle, the liquid inlet nozzle is detachably connected with a liquid inlet hose, the adjusting cap is sleeved on the external thread sleeve in a threaded manner, a limiting sleeve is arranged in the adjusting cap, a piston rod is arranged on the adjusting cap in a penetrating manner, a locking assembly is arranged on the rear end surface of the adjusting cap, the piston rod can be locked on the adjusting cap by the locking assembly, and the piston is arranged in the external thread sleeve and connected with the piston rod. Effectively solved the syringe among the prior art when the sample, the bubble is easily sneaked into to oil appearance content, influences the accuracy nature of gathering oil appearance volume, and the quantitative sampling operation of being not convenient for, and the transfer and the storage scheduling problem of the back oil appearance of being not convenient for gather.

Description

Oil appearance ration sampling tool

Technical Field

The utility model belongs to the technical field of sampling tools, and particularly relates to an oil sample quantitative sampling tool.

Background

According to the production quality requirements of nuclear power plants, oil products such as fuel oil, lubricating oil and insulating oil used by the nuclear power plants need to be detected regularly before entering the plant or in the using process to ensure the quality of the oil products, and different oil products needing to be detected often need to accurately collect oil samples with different quantities.

At present, the collection of relevant oil among the prior art is gone on through the syringe, connects the hose on the syringe, puts into the oil with the hose during the sampling, in producing suction through pulling the syringe and inhaling the oil in the syringe, shifts the oil appearance in the syringe to the detection that relevant department carried out at last, but the problem that exists among the prior art is: 1. when sampling, often there is the air and difficult quilt is discharged in syringe and the hose, leads to mixing into the air and producing a large amount of bubbles in the oil appearance easily, causes to gather the reduction of oil appearance volume, influences the accuracy nature of gathering oil appearance volume. 2. When the injector is used for sampling, an operator needs to extract sample oil while observing the relative position of the scale marks on the injector and the piston in the injector to determine the sampling amount, so that the oil collecting amount is difficult to accurately determine, and the sampling operation is inconvenient; 3. in the oil sample transfer process, the liquid suction port of the injector is required to be kept upward to avoid leakage of the oil sample, the piston shaft is required to be prevented from being touched to cause outflow of the oil sample in the injector, and the storage and transfer of the oil sample are inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a quantitative oil sampling tool, which is not enough in the prior art, to effectively solve the above technical problems in the background art.

The technical scheme adopted by the utility model is as follows:

the utility model provides an oil appearance ration sampling tool, which comprises a cylinder body, adjust cap and piston, be equipped with the external screw thread cover in the cylinder body, external screw thread cover surface is equipped with the scale mark, be equipped with the feed liquor mouth on the preceding terminal surface of cylinder body, fluid-discharge nozzle and two jam, feed liquor mouth and fluid-discharge nozzle all communicate with external screw thread cover inboard, be equipped with feed liquor check valve and flowing back check valve in feed liquor mouth and the fluid-discharge nozzle respectively, the dismantlement formula is connected with the feed liquor hose on the feed liquor mouth, it is sheathe in to locate the external screw thread cover to adjust the cap thread cover, be equipped with the stop collar in the regulation cap, wear to be equipped with the piston rod on the regulation cap, be equipped with the locking subassembly on the rear end face of regulation cap, the locking subassembly can lock the piston rod on adjusting the cap, the piston is located in the external screw thread cover and is connected with the piston rod.

Further, the locking subassembly includes first support and second support, and first support and second support all set up on the rear end face of adjusting the cap, rotate on the first support and wear to be equipped with the screw rod, and screw rod one end is equipped with handheld portion, and another end screw thread cover is equipped with the internal thread cover, and the internal thread cover slides and wears to locate on the second support, is equipped with the compact heap in the internal thread cover tip.

Furthermore, a balancing weight is arranged at the end part of the liquid inlet hose.

Furthermore, a liquid discharge pipe is detachably connected to the liquid discharge nozzle.

Further, the cylinder body and the external thread sleeve are both made of polypropylene transparent materials.

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

1. the liquid inlet hose is placed into an oil product, the piston rod drives the piston to slide in the outer threaded sleeve in a reciprocating mode through the push-pull piston rod, the liquid inlet check valve and the liquid discharge check valve are opened and closed alternately, air in the liquid inlet hose and the outer threaded sleeve is discharged completely, then sampling is conducted, generation of bubbles in an oil sample is effectively reduced, influence of the bubbles on collected oil sample amount is reduced, and accuracy of collected oil sample amount is improved.

2. The adjusting cap is rotated by referring to the scale marks on the adjusting cap, the adjusting cap drives the limiting sleeve to be screwed in or out of the cylinder body so as to limit the movement amount of the piston, and during sampling, accurate quantitative sampling can be completed only by pulling the piston rod to enable the piston to abut against the limiting sleeve, so that the operation is convenient; after the sample is taken, the piston rod is locked on the adjusting cap by the locking assembly, and the plug is used for blocking the liquid inlet nozzle and the liquid discharge nozzle, so that the leakage of the oil sample in the process of storing or transferring the oil sample is effectively avoided, and the oil sample is conveniently transferred and stored.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of the storage or transfer state of an oil sample according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 1;

in the figure: 1. a liquid discharge pipe; 2. a cylinder body; 3. an external thread sleeve; 4. a piston; 5. a piston rod; 6. a limiting sleeve; 7. a balancing weight; 8. a liquid inlet hose; 9. an adjusting cap; 10. scale lines; 11. blocking; 12. a liquid discharge nozzle; 13. a liquid discharge check valve; 14. a liquid inlet nozzle; 15. a liquid inlet check valve; 16. a hand-held portion; 17. a screw; 18. a first bracket; 19. an internal thread sleeve; 20. a second bracket; 21. and (5) a compression block.

Detailed Description

In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a quantitative oil sample sampling tool, comprising a cylinder body 2, an adjusting cap 9 and a piston 4, wherein an external thread sleeve 3 is arranged in the cylinder body 2, an external thread and a scale mark 10 are arranged on the outer surface of the external thread sleeve 3, the inner surface of the external thread sleeve 3 is a smooth surface to increase the sealing performance with the piston 4, the air infiltration into the oil sample in the sampling process is reduced, a liquid inlet nozzle 14, a liquid outlet nozzle 12 and two plugs 11 are arranged on the front end surface of the cylinder body 2, the liquid inlet nozzle 14 and the liquid outlet nozzle 12 are both communicated with the inner side of the external thread sleeve 3, a liquid inlet check valve 15 and a liquid outlet check valve 13 are respectively arranged in the liquid inlet nozzle 14 and the liquid outlet nozzle 12, a liquid inlet hose 8 is detachably connected on the liquid inlet nozzle 14, the liquid inlet hose 8 is hermetically connected on the liquid inlet nozzle 14, an internal thread is arranged on the inner surface of the adjusting cap 9, the adjusting cap 9 is sleeved on the external thread sleeve 3, a limiting sleeve 6 is arranged in the adjusting cap 9, stop collar 6 is used for limiting the amount of movement of piston 4, and piston rod 5 is worn to be equipped with in sliding on adjusting cap 9, is equipped with the locking subassembly on the rear end face of adjusting cap 9, and the locking subassembly can be with piston rod 5 locking on adjusting cap 9, and piston 4 is located in the external thread bush 3 and is connected with piston rod 5.

Specifically, the locking subassembly includes first support 18 and second support 20, on first support 18 and second support 20 all located the rear end face of adjusting cap 9, rotate on the first support 18 and wear to be equipped with screw rod 17, screw rod 17 one end is equipped with handheld portion 16, the other end thread bush is equipped with internal thread cover 19, internal thread cover 19 cross section is non-circular structure, internal thread cover 19 slides and wears to locate on second support 20, has effectively restricted internal thread cover 19 and has followed screw rod 17 and rotate, be equipped with compact heap 21 on the 19 tip of internal thread cover. When the piston rod 5 needs to be locked, the handheld portion 16 is rotated, the handheld portion 16 drives the screw rod 17 to rotate on the first support 18, the internal thread sleeve 19 moves on the screw rod 17, the internal thread sleeve 19 drives the pressing block 21 to press the piston rod 5, locking of the piston rod 5 is achieved, and when unlocking is needed, only the handheld portion 16 needs to be rotated reversely, and the internal thread sleeve 19 drives the pressing block 21 to be far away from the piston rod 5.

Specifically, the end of the liquid inlet hose 8 is provided with a balancing weight 7. Utilize balancing weight 7 to make the feed liquor end of feed liquor hose 8 be located the oil level below, effectively avoid the sample in-process to inhale the air and lead to producing the bubble in the oil appearance.

Specifically, the liquid discharge pipe 1 is detachably connected to the liquid discharge nozzle 12. The oil sample is conveniently discharged by using the liquid discharge pipe 1.

Specifically, the cylinder body 2 and the external thread sleeve 3 are both made of polypropylene transparent materials. The sampling and emptying conditions are convenient to observe.

The working principle of the utility model is as follows:

during sampling, the reference scale mark 10 rotates the adjusting cap 9, the adjusting cap drives the limiting sleeve 6 to be screwed into or out of the cylinder body 2 to limit the moving amount of the piston 4, the liquid inlet hose 8 is put into an oil product, the piston rod 5 drives the piston 4 to slide towards the direction far away from the liquid inlet one-way valve 15 and the liquid discharge one-way valve 13 by pulling the piston rod 5, the liquid inlet one-way valve 15 is opened, the liquid discharge one-way valve 13 is closed, so that an oil sample and air in the liquid inlet hose 8 are sucked into the external thread sleeve 3 together, the piston rod 5 drives the piston 4 to slide towards the direction close to the liquid inlet one-way valve 15 and the liquid discharge one-way valve 13 by pushing the movable rod, the liquid inlet one-way valve 15 is closed, the liquid discharge one-way valve 13 is opened, the air and the oil sample in the external thread sleeve 3 are discharged, so that the liquid inlet hose 8 is filled with the oil sample, thereby effectively avoiding the generation of bubbles in the oil sample during sampling and improving the accuracy of oil sample sampling amount, stimulate piston 4 once more and make piston 4 support on stop collar 6, make oil appearance inhale in the external screw thread cover 3, accomplish accurate ration sample, convenient operation utilizes the locking subassembly with 5 locks of piston rod on adjusting cap 9, recycles and stops up 11 stifled on feed liquor mouth 14 and leakage fluid-discharge nozzle 12, has effectively avoided oil appearance to store or the leakage of transfer in-process oil appearance, makes things convenient for the transfer and the storage of oil appearance.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides an oil appearance ration sampling tool which characterized in that: the cylinder body, adjust cap and piston, be equipped with the external screw thread cover in the cylinder body, the external screw thread cover surface is equipped with the scale mark, be equipped with the feed liquor mouth on the preceding terminal surface of cylinder body, fluid-discharge nozzle and two jam, feed liquor mouth and fluid-discharge nozzle all communicate with external screw thread cover inboard, be equipped with feed liquor check valve and flowing back check valve in feed liquor mouth and the fluid-discharge nozzle respectively, the dismantlement formula is connected with the feed liquor hose on the feed liquor mouth, it is sheathe in to locate the external screw thread cover to adjust cap thread cover, be equipped with the stop collar in the regulation cap, wear to be equipped with the piston rod on the regulation cap, be equipped with the locking subassembly on the rear end face of regulation cap, the locking subassembly can be with the piston rod locking on adjusting the cap, the piston is located in the external screw thread cover and is connected with the piston rod.

2. The quantitative oil sampling tool of claim 1, wherein: the locking subassembly includes first support and second support, and on the rear end face of adjusting the cap was all located to first support and second support, rotate on the first support and wear to be equipped with the screw rod, screw rod one end was equipped with handheld portion, and another end screw thread cover is equipped with the internal thread cover, and the internal thread cover slides and wears to locate on the second support, is equipped with the compact heap in the internal thread cover tip.

3. The quantitative oil sampling tool of claim 1, wherein: the end part of the liquid inlet hose is provided with a balancing weight.

4. The quantitative oil sampling tool of claim 1, wherein: the liquid discharge nozzle is detachably connected with a liquid discharge pipe.

5. The quantitative oil sampling tool of claim 1, wherein: the cylinder body and the external thread sleeve are both made of polypropylene transparent materials.

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