CN209727539U - Piston type deepwater-positioning sampling device - Google Patents
Piston type deepwater-positioning sampling device Download PDFInfo
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- CN209727539U CN209727539U CN201920350694.XU CN201920350694U CN209727539U CN 209727539 U CN209727539 U CN 209727539U CN 201920350694 U CN201920350694 U CN 201920350694U CN 209727539 U CN209727539 U CN 209727539U
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- sampler
- piston
- sampling device
- outer cylinder
- card slot
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Abstract
The invention relates to a piston type deepwater sampling device which comprises a first sampling device, a cylindrical structure with an opening at the lower end, and a first piston arranged in the cylindrical structure, wherein the first piston is hermetically connected with the inner side wall of the first sampling device, and a clamping groove is arranged at the lower part of the first piston; the upper end of the second sampling device is provided with an opening, a cylindrical hollow structure is coaxially arranged, the bottom of the second sampling device is provided with a water taking port, a needle cylinder type sampler is arranged inside the cylindrical hollow structure and comprises an outer cylinder and a piston handle inside the outer cylinder, a needle head at the bottom of the outer cylinder of the needle cylinder type sampler penetrates through the water taking port, and the side wall of the outer cylinder is fixedly connected with the inner side wall of the second sampling device; the clamping groove at the lower part of the first piston is of a structure matched with the piston cap of the piston handle, the first piston can drive the piston handle to move, and the outer side wall of the bottom of the first sampling device is connected with the inner side wall of the top of the second sampling device; the top of the first sampling device is connected with the air pump.
Description
Technical field
This disclosure relates to a kind of piston type depthkeeping water-sampling device.
Background technique
Disclosing the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without certainty
It is considered as recognizing or implying in any form that information composition has become existing skill well known to persons skilled in the art
Art.
The acquisition of sampling of ground water needs to acquire the water sample of different depth, smaller for depth, and the pressure of hydrostatic pressing is lower
In the case of, hydrostatic pressing cannot promote water sample automatically into inside acquisition device, making water sampling have certain difficulty, and single
By means of negative pressure pumping water, it is easy that water sample is directly extracted into the inside of pneumatic tube or may be flowed at air pump, is influencing equipment just
It is often used.
Utility model content
For above-mentioned problems of the prior art, a purpose of the disclosure is to provide a kind of piston type depthkeeping water and takes
Sampling device.
In order to solve the above technical problems, the technical solution of the disclosure are as follows:
A kind of piston type depthkeeping water-sampling device, including,
First sampler, columnar structured, the inside setting first piston of lower ending opening, first piston and the first sampling
The inner sidewall of device is tightly connected, and card slot is arranged in the lower part of first piston；
Second sampler, upper end opening are coaxially disposed cylinder-shaped hollow structure, and the bottom setting of the second sampler takes
Syringe type sampler is arranged in the inside at the mouth of a river, cylinder-shaped hollow structure, and syringe type sampler includes the work of outer cylinder and outer barrel
Handle is filled in, the syringe needle of the outer cylinder bottom of syringe type sampler passes through intake, the inner sidewall of the side wall of outer cylinder and the second sampler
It is fixedly connected；
The card slot of first piston lower part is the adapter structure with the piston cap of piston handle, and first piston is able to drive piston handle
Movement, the bottom outside wall of the first sampler are connect with the inside top wall of the second sampler；
The top of first sampler is connect with air pump.
Air pump first to the first sampler pressurising, makes first piston drop to the position of piston cap, is clamped with piston cap, will
After fixed depth sampling device is deep into designated depth, make the first sampler in negative pressure state using air pump, first piston, which drives, lives
Plug handle moves up, and water sample enters in syringe type sampler, and sampling is completed after first piston is moved to top, maintains negative pressure state
Deep sampler is taken out, due to negative pressure state always, the water sample in syringe type sampler will not be leaked out, simultaneously because syringe type
Water sample is filled in sampler, will not enter other impurity.
In underground the depth of water it is lesser place perhaps due to capillary force action hydrostatic pressure cause water sample cannot actively or
Actively enter sampler completely, and the simple pressure control that will lead to negative pressure using negative pressure is bad, water sample is directly entered
Air inlet pipe, the fixed depth sampling device of the disclosure are a kind of stable samplers, solve the water intaking in the inadequate situation of hydrostatic pressure
Problem, while solving the problems, such as that water sample enters pneumatic tube under negative pressure state.
The disclosure the utility model has the advantages that
1) inner sidewall of first piston and the first sampler is tightly connected, and can be guaranteed through pressure control first piston
Rise and fall, solve underground water depth it is smaller when, the problem of water sample can not be taken；
2) it when card slot falls in the top of piston cap, under pressure of the card slot by top air pressure, is tightly blocked with piston cap,
Then it can move up and fetch water with piston handle；
3) disclosure is provided with cylinder-shaped hollow structure, the inside of cylinder-shaped hollow structure in the inside of the second sampler
Provided with syringe type sampler, the syringe type sampler can preferably complete sealing sampling, and the side wall of outer cylinder takes with second
The inner sidewall of sampling device is fixedly connected, and syringe type sampler can be made to be able to carry out stable sampling；
4) disclosure utilizes syringe type sampler, and after the completion of water sampling, the internal diameter of syringe needle is smaller, takes in fixed depth sampling device
Out during ground, it is not easy to enter other pollution impurity.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the structure chart of piston type depthkeeping water-sampling device；
Fig. 2 is the top view of the second sampler；
Fig. 3 is that the schematic diagram of graduation mark is arranged in the air pressure tube portion of the disclosure；
Wherein,
1, the first sampler, the 2, second sampler, 3, first piston, 4, card slot, 5, syringe type sampler, 6, outer
Cylinder, 7, piston handle, 8, syringe needle, 9, piston head, 10, protective cap, 11, air pump, the 12, first protrusion, the 13, second protrusion, 14, card
Spring, 15, sealing ring, 16, piston cap, 17, groove, 18, third protrusion, 19, pneumatic tube, 20, graduation mark.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
A kind of piston type depthkeeping water-sampling device, including,
First sampler 1, columnar structured, the inside setting first piston 3 of lower ending opening, first piston 3 and first
The inner sidewall of sampler 1 is tightly connected, and card slot 4 is arranged in the lower part of first piston 3；
Second sampler 2, upper end opening are coaxially disposed cylinder-shaped hollow structure, the bottom setting of the second sampler 2
Syringe type sampler 5 is arranged in intake, the inside of cylinder-shaped hollow structure, and syringe type sampler 4 includes in outer cylinder 6 and outer cylinder 6
The piston handle 7 in portion, the syringe needle of 6 bottom of outer cylinder of syringe type sampler 4 pass through intake, and the side wall of outer cylinder 6 and the second sampling fill
2 inner sidewall is set to be fixedly connected；
The card slot 4 of 3 lower part of first piston is the adapter structure with the piston cap 16 of piston handle 7, and first piston 3 is able to drive
Piston handle 7 moves, and the bottom outside wall of the first sampler 1 is connect with the inside top wall of the second sampler 2；
The top of first sampler 1 is connect with air pump 11 by pneumatic tube 19, and graduation mark 20 is arranged on pneumatic tube 19.
In some embodiments, the second sampler 2 is conical structure.
Second sampler 2 of conical structure advantageously reduces the resistance during in depth descending.
In some embodiments, the first sampler 1 and the second sampler 2 are flexibly connected, the top of the second sampler 2
The first protrusion 12, the lateral wall screwed connection of the first protrusion 12 and 1 bottom of the first sampler is arranged in portion.
First sampler 1 and the second sampler 2 are flexibly connected, taking-up syringe type sampler 5 that can be more convenient
Interior water sample, while facilitating the replacement and maintenance of internal structure.
The medial surface setting internal screw thread of first protrusion 12, the bottom outer edge setting external screw thread of the first sampler 1, first
Raised 12 edges are threadedly coupled with the bottom outer edge of the first sampler 1.
The mode of screw thread installation, which facilitates, is combined installation for the first sampler 1 and the second sampler 2.
In some embodiments, the second protrusion 13 is arranged in the bottom inside wall of the first sampler 1, and the second protrusion 13 is fallen in
The top of second sampler 2.
Second protrusion 13 improves the stability between the first sampler 1 and the second sampler 2.
In some embodiments, the length of 3 bottom of first piston and the bottom of the first sampler 1 is greater than or equal to piston
The length of handle 7.
In some embodiments, circlip 14 is arranged in the bottom interior edge of card slot 4, and groove is arranged in the top surface of the inside of card slot 4
17, third protrusion 18 is set at the top of piston cap 16.
In some embodiments, 2 upper end opening of the second sampler is greater than the outer diameter of card slot 4.
In some embodiments, protective cap 10 is arranged in the bottom of the second sampler 2, and protective cap 10 is sky open at one end
Heart tubular structure, protective cap 10 tip upside down on the bottom of the second sampler 2.
In some embodiments, the lateral surface setting sealant layer or sealing ring 15 of first piston 3.
As shown in Figure 1, circlip is arranged in the bottom of card slot, circlip and piston handle are engaged, groove 17 and third protrusion 18
Cooperation is blocked, and the stability of engaging can be improved by both snap-in functions in first piston and piston handle.
As shown in Figure 1, air pump 11 is connected to by gas pipeline with the first sampler, make the gas pressure above first piston
Become larger or become smaller by force, to control moving up and down for first piston.
Sealing ring is arranged in the lateral surface of first piston, makes to keep leakproofness between first piston and the first sampler, together
When first piston can be slided along the inner wall of the first sampler.
As shown in Figure 1, the bottom of the second protrusion and the second sampler that the bottom interior wall of the first sampler is arranged connects
Touching, because being to be flexibly connected between the first sampler and the second sampler, the second protrusion is conducive to raising first and takes
The pass of power occurs between the first sampler and the second sampler for the contact area between sampling device and the second sampler
System improves forced area, is conducive to the stabilization of device when the first sampler is to the second sampler downward pressure.
The bottom of piston handle is that piston head 9 makes to provide sealing between piston handle and the side wall of outer cylinder during pull
Property, so that water sample to be extracted into the inside of piston outer cylinder.
As shown in Fig. 2, the outer cylinder of syringe type sampler 5 connects with the inner wall of the second sampler, outer cylinder 6 and the second sampling
The inner wall of device 2 is welded to connect.
As shown in figure 3, graduation mark 20 is arranged on pneumatic tube 19, sampler is observed during can be convenient downlink and is reached
Depth.
The application method of the piston type fixed depth sampling device of the disclosure, specific steps are as follows:
First sampler 1 and the second sampler 2 are combined installation, the top of the first sampler 1 and air pump
11 connections；
Piston type depthkeeping water-sampling device is inserted into depthkeeping environment, booster air pump 11 fills the first sampler 1
Pressure engages first piston downslide with piston handle, and then booster air pump 11 makes the first sampler first piston top be
Negative pressure makes first piston rising start to extract water sample, after sampling, negative pressure state is kept to take piston fixed depth sampling device
Out.
Under negative pressure state, first piston is raised to the top of the first sampler, promotes the piston in syringe type sampler 5
Head moves to the top of outer cylinder, if first piston no longer rises, does not generate upward draft in outer cylinder, and water sample then will not be after
It is continuous to enter outer barrel, simultaneously because the internal diameter of syringe needle is smaller, it will not during piston fixed depth sampling device removes ground
Flow out water sample out of outer cylinder, while extraneous impurity is not easily accessible outer barrel, due to removing ground during be upward
Movement, so impurity will not be made actively to enter outer barrel.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (9)
1. a kind of piston type depthkeeping water-sampling device, it is characterised in that: including,
First sampler, columnar structured, the inside setting first piston of lower ending opening, first piston and the first sampler
Inner sidewall be tightly connected, card slot is arranged in the lower part of first piston；
Second sampler, upper end opening are coaxially disposed cylinder-shaped hollow structure, and water intaking is arranged in the bottom of the second sampler
Mouthful, syringe type sampler is arranged in the inside of cylinder-shaped hollow structure, and syringe type sampler includes the piston of outer cylinder and outer barrel
Handle, the syringe needle of the outer cylinder bottom of syringe type sampler pass through intake, and the inner sidewall of the side wall of outer cylinder and the second sampler is consolidated
Fixed connection；
The card slot of first piston lower part is the adapter structure with the piston cap of piston handle, and first piston is able to drive piston handle fortune
Dynamic, the bottom outside wall of the first sampler is connect with the inside top wall of the second sampler；
The top of first sampler is connect with air pump.
2. the apparatus according to claim 1, it is characterised in that: the second sampler is conical structure.
3. the apparatus according to claim 1, it is characterised in that: the first sampler and the second sampler are flexibly connected,
The first protrusion of top setting of second sampler, the lateral wall screwed connection of the first protrusion and the first sampler bottom.
4. the apparatus according to claim 1, it is characterised in that: the bottom inside wall setting second of the first sampler is convex
It rises, the second protrusion falls in the top of the second sampler.
5. the apparatus according to claim 1, it is characterised in that: the length of first piston bottom and the bottom of the first sampler
Degree is greater than or equal to the length of piston handle.
6. the apparatus according to claim 1, it is characterised in that: circlip, the inside of card slot is arranged in the bottom interior edge of card slot
Top surface groove is set, third protrusion is set at the top of piston cap.
7. the apparatus according to claim 1, it is characterised in that: the second sampler upper end opening is greater than the outer diameter of card slot.
8. the apparatus according to claim 1, it is characterised in that: protective cap, protective cap is arranged in the bottom of the second sampler
For hollow tubular structure open at one end, protective cap tips upside down on the bottom of the second sampler.
9. the apparatus according to claim 1, it is characterised in that: sealing ring is arranged in the lateral surface of first piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920350694.XU CN209727539U (en) | 2019-03-18 | 2019-03-18 | Piston type deepwater-positioning sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920350694.XU CN209727539U (en) | 2019-03-18 | 2019-03-18 | Piston type deepwater-positioning sampling device |
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| Publication Number | Publication Date |
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| CN209727539U true CN209727539U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920350694.XU Active CN209727539U (en) | 2019-03-18 | 2019-03-18 | Piston type deepwater-positioning sampling device |
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| Country | Link |
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| CN (1) | CN209727539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166581A (en) * | 2021-12-08 | 2022-03-11 | 河海大学 | Sampling equipment for water quality testing |
-
2019
- 2019-03-18 CN CN201920350694.XU patent/CN209727539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166581A (en) * | 2021-12-08 | 2022-03-11 | 河海大学 | Sampling equipment for water quality testing |
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