CN105758677B - A kind of liquid layered sampler and the method to liquid progress Stratified Sampling - Google Patents
A kind of liquid layered sampler and the method to liquid progress Stratified Sampling Download PDFInfo
- Publication number
- CN105758677B CN105758677B CN201610287963.3A CN201610287963A CN105758677B CN 105758677 B CN105758677 B CN 105758677B CN 201610287963 A CN201610287963 A CN 201610287963A CN 105758677 B CN105758677 B CN 105758677B
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- tube body
- sampling
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- liquid
- valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to sample collecting device technical fields, specifically a kind of liquid layered sampler, including probe tube and sampling pipe holder, the probe tube includes several sampling pipe units, the sampling pipe unit includes tube body and shut-off valve, the tube body is made of transparent material, and the lower end of the shut-off valve and the upper end of tube body are sealedly and fixedly connected, and the lower end of tube body and the upper end of shut-off valve are equipped with matched sealing connection mechanism.The present invention also provides the methods that a kind of pair of liquid carries out Stratified Sampling.Compared with the existing technology, the invention has the benefit that (1) sampling precision is high；(2) each layer liquid can be disposably sampled, it is easy to operate；(3) probe tube is made of multiple sampling pipe units, it may be convenient to it dismounts, it is easy to carry and store；(4) reset condition that sample will not be destroyed in sampling process can be observed intuitively since tube body is made of transparent material.
Description
Technical field
The present invention relates to sample collecting device technical field, specifically a kind of liquid layered sampler and to liquid carry out
The method of Stratified Sampling.
Background technique
In fields such as environmental protection, tap water productions, need to carry out Stratified Sampling and observation to water quality.Such as in environment protection field
Reaction settling basin, separates the grease in waste water using demulsifier, is precipitated to suspended matter in waste water using precipitation
Bottom, in order to monitor analysis reaction and sedimentation effect, it is necessary to the waste water in reaction settling basin is sampled and is observed, and
When the parameters such as the adjustment demulsifier dosage of reaction settling basin, wastewater flow, flow velocity.Traditional liquid layered sampling mode is to use
Well-bucket puts rope sampling, i.e., is a rope on bucket, bucket is sunk to liquid designated depth and is sampled, and this method sampling precision is difficult
To guarantee.Authorization Notice No. discloses a kind of miniature quantitative layered sampler for the utility model patent of CN201212861Y, though
Right sampling precision is improved, but has the disadvantage in that (1) needs to extract one by one to each layer liquid, complicated for operation；(2) it is
Meet deep layer sampling, it is desirable that the length for sampling mark post is longer, not readily portable and storage；(3) sample drawn and injection sample
Process makes sample not be able to maintain underwater reset condition, influences observing effect.
Summary of the invention
The purpose of the present invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of sampling precision it is high, it is easy to operate,
It is easy to carry about with one and can intuitively observe the liquid layered sampler of sample reset condition.
The technical problems to be solved by the invention are realized using following technical scheme: a kind of liquid layered sampler,
Including probe tube and sampling pipe holder, the probe tube includes several sampling pipe units, and the sampling pipe unit includes tube body
And shut-off valve, the tube body are made of transparent material, the lower end of the shut-off valve and the upper end of tube body are sealedly and fixedly connected, tube body
Lower end and shut-off valve upper end be equipped with matched sealing connection mechanism.
Technical solution of the present invention is also: the sealing connection mechanism includes insertion section, elastic clamping arm and unblock button；
The insertion section is located at the lower end of tube body and matches with the upper end of shut-off valve, and the periphery of insertion section is equipped with O-ring；The bullet
Property clamp arm is symmetrically arranged at the two sides of tube body, and one end of elastic clamping arm is fixedly connected with tube body, the other end of elastic clamping arm
Equipped with locking hook, the upper end two sides of the shut-off valve are equipped with locking ear, and the locking ear is equipped with and the matched locking of locking hook
Slot；The two sides of the unblock button are symmetrically arranged with elastic push rod, and one end of elastic push rod is fixedly connected with unblock button, elastic top
The other end of bar is fixedly connected with elastic clamping arm, and two elastic push rods constitute "eight" shape structure.Using the technical program,
Guarantee to may be implemented quick connection between sampling pipe unit under the premise of leakproofness and dismantle, after connection tube body and shut-off valve without
Method relatively rotates or movement.
Technical solution of the present invention is also: further including sampling bracket, the sampling bracket is equipped with guide rail, the probe tube
It can be along guide rail vertical sliding motion.Using the technical program, it is ensured that probe tube keeps vertical when proposing into the water and from water, mentions
High sampling precision.
Technical solution of the present invention is also: the tube body is equipped with along being parallel to the rack gear being axially arranged in tube body, each to manage
The rack gear of body can be linked to be a continuous long rack gear, and rack gear can be along guide rail vertical sliding motion；Gear is installed on the sampling bracket,
The gear is rotatably installed on sampling bracket by gear shaft, can be engaged with gear when in rack gear insertion guide rail, gear
One end of axis is equipped with crank.Using the technical program, can labour-saving go up and down probe tube, reduce the labor intensity of operator.
Technical solution of the present invention is also: the sampling bracket is equipped with left wing plate and right wing plate, and the gear is installed on
Between left wing plate and right wing plate and can sliding axially along gear shaft, between left wing plate and the left side of gear be equipped with spring,
Matched positioning pin and location hole are respectively equipped on the right side of gear and right wing plate.Using the technical program, it can be achieved that gear
Automatic locking so that operator frees hand to carry out other operations, such as assembly and disassembly probe tube, sample is observed,
It takes pictures.
Technical solution of the present invention is also: the front end of the locking hook is equipped with inclined-plane.Using the technical program, it is not required to press
Bottom of the pipe can be connect by unblock button with shut-off valve upper end.
Technical solution of the present invention is also: the end of the elastic push rod is equipped with card slot, the inside of the elastic clamping arm
Equipped with the fixture block with pocket matches.Using the technical program, convenient for the manufacture of locking button and elastic clamping arm.
Technical solution of the present invention is also: the periphery of the tube body is equipped with along being parallel to its graduation mark being axially arranged.
The present invention also provides the methods that a kind of pair of liquid carries out Stratified Sampling, comprising the following steps:
A, several sampling pipe unit head and the tail are assembled into probe tube, the shut-off valve of each sampling pipe unit is kept to beat
It opens；
B, the probe tube connected is vertically transferred at sample point to requiring depth；
C, the shut-off valve of the top probe tube is closed；
D, probe tube is vertically taken out, the liquid sample in probe tube is observed, is taken pictures；
E, the shut-off valve of each sampling pipe unit is closed, probe tube is split as several sampling pipe units；
F, the liquid sample in each sampling pipe unit is respectively implanted in each sample container.
The working principle of the invention is the fluid column for supporting several rice high using a normal atmosphere pressure energy.
Compared with the existing technology, the invention has the benefit that (1) sampling precision is high；It (2) disposably can be to each layer liquid
Body is sampled, easy to operate；(3) probe tube is made of multiple sampling pipe units, it may be convenient to it dismounts, it is easy to carry and deposit
It puts；(4) reset condition that sample will not be destroyed in sampling process can be intuitive since tube body is made of transparent material
Observation；(5) it is manually operated, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid layered sampler.
Fig. 2 is the structural schematic diagram of probe tube.
Fig. 3 is the partial enlarged view in the portion Fig. 2A.
Fig. 4 be Fig. 3 B to structural schematic diagram.
Fig. 5 is the structural schematic diagram for sampling pipe unit.
Fig. 6 is the structural schematic diagram for sampling bracket.
Fig. 7 is the partial enlarged view in the portion Fig. 6 C.
In figure: 1, tube body, 2, shut-off valve, 3, insertion section, 4, elastic clamping arm, 5, unblock button, 6, O-ring, 7, locking
Hook, 8, locking ear, 9, elastic push rod, 10, sampling bracket, 11, guide rail, 12, rack gear, 13, gear, 14, gear shaft, 15, crank,
16, left wing plate, 17, right wing plate, 18, spring, 19, positioning pin, 20 location holes, 21, inclined-plane, 22, fixture block.
Specific embodiment
In order to clarify the technical characteristics of the invention, making below according to attached drawing to the specific embodiment of the invention further
Explanation.
As shown, a kind of liquid layered sampler, including probe tube and sampling bracket, probe tube include three samplings
Pipe unit, sampling pipe unit includes tube body 1 and shut-off valve 2, and tube body 1 is made of transparent material, and the periphery of tube body 1 is equipped with along flat
The graduation mark (not shown) that row is axially arranged in it, the lower end of shut-off valve 2 and the upper end of tube body 1 are solid using sealing pipe screw thread
Fixed connection.
The lower end of tube body 1 and the upper end of shut-off valve 2 are equipped with matched sealing connection mechanism, and sealing connection mechanism includes insertion
Portion 3, elastic clamping arm 4 and unblock button 5；Insertion section 3 is located at the lower end of tube body 1 and matches with the upper end of shut-off valve 2, insertion
The periphery in portion 3 is equipped with O-ring 6；Elastic clamping arm 4 is symmetrically arranged at the two sides of tube body 1, one end of elastic clamping arm 4 and tube body 1
It is fixedly connected, the other end of elastic clamping arm 4 is equipped with locking hook 7, and the front end of locking hook 7 is equipped with inclined-plane 21；The upper end of shut-off valve 2
Two sides are equipped with locking ear 8, and locking ear 8 is equipped with and the matched lock groove of locking hook 7；The two sides of unblock button 5 are symmetrically arranged with bullet
Property mandril 9, one end of elastic push rod 9 is fixedly connected with unblock button 5, and the other end of elastic push rod 9 is equipped with card slot, elastic clamping
The inside of arm 4 is equipped with the fixture block 22 with pocket matches, and fixture block is located in card slot, and two elastic push rods 9 constitute "eight" shape structure.
Tube body 1 is equipped with along the rack gear 12 being axially arranged in tube body 1 is parallel to, and the rack gear 12 of each tube body 1 can be linked to be one
Continuous long rack gear；It samples bracket 10 and is equipped with guide rail 11, rack gear 12 can be along 11 vertical sliding motion of guide rail；Sampling bracket 10 is equipped with
Left wing plate 16 and right wing plate 17, are equipped with gear 13 between left wing plate 16 and right wing plate 17, gear 13 can be rotated and can be along tooth
Wheel shaft 14 slides axially, and spring 18, the right side of gear 13 and right flank are equipped between left wing plate 16 and the left side of gear 13
Matched positioning pin 19 and location hole 20 are respectively equipped on plate 17, one end of gear shaft 14 is equipped with crank 15；The insertion of rack gear 12 is led
It can be engaged with gear 13 when in rail (11).
The present invention also provides the methods that a kind of pair of liquid carries out Stratified Sampling, comprising the following steps:
A, three sampling pipe units are assembled into probe tube by sealing connection mechanism head and the tail, keeps each probe tube list
The shut-off valve 2 of member is opened；
B, the probe tube connected is inserted into guide rail 11, probe tube is directed at sample point, by crank 15 to left wing plate 16
Direction pushes, and positioning pin 19 is made to be detached from location hole 20, then shakes crank 15, when probe tube is transferred to release song when requiring depth
Handle 15 is inserted into positioning pin 19 in location hole 20；
C, the shut-off valve 2 of the top probe tube is closed；
D, crank 15 is pushed to 16 direction of left wing plate, positioning pin 19 is made to be detached from location hole 20, then shake crank 15, when
Probe tube unclamps crank 15 when leaving liquid level, is inserted into positioning pin 19 in location hole 20, carries out to the liquid sample in probe tube
It observes, take pictures；
E, the shut-off valve 2 of each sampling pipe unit is closed, probe tube is split as three sampling pipe units；
F, the liquid sample in each sampling pipe unit is respectively implanted in each sample container.
The embodiment of the present invention is elaborated above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also do without departing from the purpose of the present invention
Various change out.
Claims (9)
1. a kind of liquid layered sampler, it is characterised in that: including probe tube, the probe tube includes several probe tube lists
Member, the sampling pipe unit include tube body (1) and shut-off valve (2), and the tube body (1) is made of transparent material, the shut-off valve
(2) upper end of lower end and tube body (1) is sealedly and fixedly connected, and the lower end of tube body (1) and the upper end of shut-off valve (2) are equipped with matched
Sealing connection mechanism；The sealing connection mechanism includes insertion section (3), elastic clamping arm (4) and unblock button (5)；It is described to insert
Enter portion (3) to be located at the lower end of tube body (1) and match with the upper end of shut-off valve (2), the periphery of insertion section (3) is equipped with O-ring
(6)；The elastic clamping arm (4) is symmetrically arranged at the two sides of tube body (1), and one end and tube body (1) of elastic clamping arm (4) are fixed to be connected
It connects, the other end of elastic clamping arm (4) is equipped with locking hook (7), and the upper end two sides of the shut-off valve (2) are equipped with locking ear (8), institute
Locking ear (8) are stated to be equipped with and locking hook (7) matched lock groove；The two sides of the unblock button (5) are symmetrically arranged with elastic top
One end of bar (9), elastic push rod (9) is fixedly connected with unblock button (5), the other end and elastic clamping arm of elastic push rod (9)
(4) it is fixedly connected, two elastic push rods (9) constitute "eight" shape structure.
2. liquid layered sampler according to claim 1, it is characterised in that: it further include sampling bracket (10), it is described
It samples bracket (10) and is equipped with guide rail (11), the probe tube can be along guide rail (11) vertical sliding motion.
3. liquid layered sampler according to claim 2, it is characterised in that: the tube body (1) is equipped with along parallel
In the rack gear (12) being axially arranged in tube body (1), the rack gear (12) of each tube body (1) can be linked to be a continuous long rack gear, rack gear
It (12) can be along guide rail (11) vertical sliding motion；It is equipped with gear (13) on the sampling bracket (10), the gear (13) passes through tooth
Wheel shaft (14) is rotatably installed in sampling bracket (10), can be nibbled with gear (13) when in rack gear (12) insertion guide rail (11)
It closes, one end of gear shaft (14) is equipped with crank (15).
4. liquid layered sampler according to claim 3, it is characterised in that: the sampling bracket (10) is equipped with a left side
Wing plate (16) and right wing plate (17), the gear (13) are installed between left wing plate (16) and right wing plate (17) and can be along gears
Axis (14) slide axially, and are equipped with spring (18) between left wing plate (16) and the left side of gear (13), the right side of gear (13)
Matched positioning pin (19) and location hole (20) are respectively equipped on face and right wing plate (17).
5. any liquid layered sampler according to claim 1 ~ 4, it is characterised in that: before the locking hook (7)
End is equipped with inclined-plane (21).
6. any liquid layered sampler according to claim 1 ~ 4, it is characterised in that: the elastic push rod (9)
End is equipped with card slot, and the inside of the elastic clamping arm (4) is equipped with the fixture block (22) with pocket matches.
7. any liquid layered sampler according to claim 1 ~ 4, it is characterised in that: the outer circle of the tube body (1)
Face is equipped with edge and is parallel to its graduation mark being axially arranged.
8. the side that a kind of liquid layered sampler using as described in claim 1 ~ 7 is any carries out Stratified Sampling to liquid
Method, comprising the following steps:
A, several sampling pipe unit head and the tail are assembled into probe tube, the shut-off valve (2) of each sampling pipe unit is kept to open；
B, the probe tube connected is vertically transferred at sample point to requiring depth；
C, the shut-off valve (2) of the top probe tube is closed；
D, probe tube is vertically taken out, the liquid sample in probe tube is observed, is taken pictures；
E, the shut-off valve (2) of each sampling pipe unit is closed, probe tube is split as several sampling pipe units；
F, the liquid sample in each sampling pipe unit is respectively implanted in each sample container.
9. the method according to claim 8 for carrying out Stratified Sampling to liquid, it is characterised in that: can in step B and step D
Probe tube is vertically moved up or down using sampling bracket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287963.3A CN105758677B (en) | 2016-05-04 | 2016-05-04 | A kind of liquid layered sampler and the method to liquid progress Stratified Sampling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287963.3A CN105758677B (en) | 2016-05-04 | 2016-05-04 | A kind of liquid layered sampler and the method to liquid progress Stratified Sampling |
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| CN105758677A CN105758677A (en) | 2016-07-13 |
| CN105758677B true CN105758677B (en) | 2019-01-04 |
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| CN105758677A (en) | 2016-07-13 |
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