CN210293802U

CN210293802U - Sample collecting device for water resource detection

Info

Publication number: CN210293802U
Application number: CN201921204446.0U
Authority: CN
Inventors: 胡邦红
Original assignee: Tongren University
Current assignee: Tongren University
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-10
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a sample collecting device for water resource detection, which comprises a liquid separating disc, a liquid extracting cylinder, sample tubes, a liquid extracting rod and a liquid collecting nozzle, wherein one end of the liquid extracting rod is provided with a piston, the top of the liquid extracting cylinder is connected with the liquid separating disc, a filter screen cylinder is fixed in the liquid separating disc, the filter screen cylinder is a stainless steel metal screen cylinder internally wrapped with filter cotton, the liquid extracting rod is sleeved in the filter screen cylinder, the bottom of the liquid separating disc is provided with a plurality of sample tubes distributed around the liquid extracting cylinder, the bottom of the liquid extracting cylinder is provided with the liquid collecting nozzle, the top of the liquid collecting nozzle is fixed with a lantern ring, the inner cavity of the lantern ring is provided with a first female thread, the utility model discloses a liquid collection mouth, including a liquid suction tube, a liquid collection mouth, a rubber leather sheath, a liquid inlet, a liquid outlet, a liquid inlet, a liquid outlet, a liquid. The utility model discloses can be convenient for to gathering sample prefilter, be convenient for take a sample to special areas such as gully.

Description

Sample collecting device for water resource detection

Technical Field

The utility model relates to a water resource detects technical field, particularly, relates to a be used for water resource to detect sample collection device.

Background

The method is used for collecting natural water sample samples (including rivers, lakes, oceans and the like) and analyzing various physical and chemical indexes of the natural water samples, and is important content of physical, chemical and biological research and environmental science research on the natural water samples. The biochemical oxygen demand is a comprehensive index representing the content of aerobic pollutants such as organic matters in water. Generally, organic matters can be decomposed by microorganisms, but the microorganisms need to consume oxygen when decomposing the organic matters, and if the dissolved oxygen in water is not enough to supply the microorganisms, the water body is in a polluted state.

At present, water sample collection aiming at biochemical oxygen demand is achieved by instantaneous manual sampling in a water area, collected water samples need to be collected, calibrated and stored respectively in a laboratory, and then indexes of the collected water samples are analyzed, so that direct filling and sampling are inconvenient in places such as gullies or areas with turbid silt, and troubles are caused to sampling.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for water resource detection sample collection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sample collecting device for water resource detection comprises a liquid separating disc, a liquid pumping cylinder, sample tubes, a liquid pumping rod and a liquid collecting nozzle, wherein a piston is arranged at one end of the liquid pumping rod and is in sliding connection with the liquid pumping cylinder, the top of the liquid pumping cylinder is detachably connected with the liquid separating disc, the liquid separating disc is communicated with the liquid pumping cylinder, a filter screen cylinder is fixed inside the liquid separating disc, the filter screen cylinder is a stainless steel metal mesh cylinder with filter cotton wrapped inside, the liquid pumping rod is sleeved in the filter screen cylinder, a plurality of sample tubes distributed around the liquid pumping cylinder are arranged at the bottom of the liquid separating disc, the liquid collecting nozzle is arranged at the bottom end of the liquid pumping cylinder, a lantern ring is fixed at the top of the liquid collecting nozzle, a first female thread is arranged in an inner cavity of the lantern ring, a first male thread is arranged at an outer ring of the liquid pumping cylinder close to the liquid collecting nozzle, a screen plate made of stainless steel is arranged at a position of the inside of the liquid pumping cylinder close to the liquid collecting nozzle, the inner cavity of the liquid collecting nozzle is provided with a rubber leather sleeve connected with the liquid inlet of the liquid collecting nozzle, and the rubber leather sleeve is in a round table shape and the top of the rubber leather sleeve is provided with the liquid inlet.

Furthermore, the outside of drawing liquid section of thick bamboo is equipped with the liquid level observation window of glass material, the outside of liquid level observation window is equipped with the liquid level scale.

Furthermore, the edge of the outer ring of the filter screen plate is sleeved with a metal ring, and the outer side of the liquid pumping cylinder is provided with a bolt which penetrates through the liquid pumping cylinder and is in threaded connection with the metal ring.

Furthermore, a second male thread is arranged on the outer side, close to the top, of the sample tube, and a second female thread matched with the second male thread is arranged at the bottom of the liquid distribution plate.

Furthermore, the top of the liquid pumping rod penetrates through the liquid distribution disc to reach one end of the top of the liquid distribution disc, a pull disc is arranged at the end of the top of the liquid distribution disc, and a pull ring is arranged at the top of the pull disc.

Furthermore, the liquid separating disc is located an elastic rubber ring is arranged at the penetrating position of the liquid pumping rod and the liquid separating disc, and the elastic rubber ring is sleeved with the liquid pumping rod.

Further, the mesh diameter of the filter screen plate is 2 mm.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a pair of be used for water resource detection sample collection device can collect the water sample and carry out the preliminary treatment, and the filter effect is good, keeps apart silt and inside clearance of being convenient for, to the convenient to take a sample in gully area, portable and longe-lived, and use method is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a sample collection device for water resource detection according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural diagram of a sample collection device for water resource detection according to an embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 for a water resource detection sample collection device according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram at B in fig. 2 for a water resource detection sample collection device according to the embodiment of the present invention.

Reference numerals:

1. a liquid separating disc; 2. a liquid pumping cylinder; 3. a sample tube; 4. a liquid pumping rod; 5. a liquid collecting nozzle; 6. a collar; 7. a first male thread; 8. a first female thread; 9. a rubber leather sheath; 10. a filter screen plate; 11. a second female thread; 12. a second male thread; 13. pulling the disc; 14. an elastic rubber ring; 15. a liquid level observation window; 16. liquid level scales; 17. a piston; 18. a pull ring; 19. a metal loop; 20. a bolt; 21. a screen cylinder.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-4, a sample collecting device for water resource detection according to an embodiment of the present invention includes a liquid separating tray 1, a liquid pumping cylinder 2, sample tubes 3, a liquid pumping rod 4 and a liquid collecting nozzle 5, wherein one end of the liquid pumping rod 4 is provided with a piston 17, the piston 17 is slidably connected to the liquid pumping cylinder 2, the top of the liquid pumping cylinder 2 is detachably connected to the liquid separating tray 1, the liquid separating tray 1 is communicated with the liquid pumping cylinder 2, a filter screen cylinder 21 is fixed inside the liquid separating tray 1, the filter screen cylinder 21 is a stainless steel metal screen cylinder with filter cotton wrapped inside, the liquid pumping rod 4 is sleeved inside the filter screen cylinder 21, the bottom of the liquid separating tray 1 is provided with a plurality of sample tubes 3 distributed around the liquid pumping cylinder 2, the bottom of the liquid pumping cylinder 2 is provided with the liquid collecting nozzle 5, the top of the liquid collecting nozzle 5 is fixed with a lantern ring 6, the inner chamber of the lantern ring 6 is provided with a first female thread 8, the liquid suction cylinder 2 is close to the outer ring of the liquid collection nozzle 5 is provided with a first male thread 7, the inside of the liquid suction cylinder 2 is close to the liquid collection nozzle 5 is provided with a filter screen plate 10 made of stainless steel, the inner chamber of the liquid collection nozzle 5 is provided with a rubber leather sheath 9 connected with a liquid inlet of the liquid collection nozzle 5, and the rubber leather sheath 9 is provided with a liquid inlet for the round table shape and the top of the rubber leather sheath.

Through the above technical scheme of the utility model, the liquid level observation window 15 made of glass material is arranged on the outer side of the liquid suction cylinder 2 to facilitate observation of the internal liquid level, the liquid level scale 16 is arranged on the outer side of the liquid level observation window 15, the outer ring edge sleeve of the filter screen plate 10 is provided with the metal ring 19 to tightly sleeve the filter screen plate 10, the bolt 20 penetrating through the liquid suction cylinder 2 and connected with the metal ring 19 through threads is arranged on the outer side of the sample tube 3 close to the top thereof to facilitate taking off and cleaning when the filter screen plate 10 is blocked, the second male thread 12 is arranged on the outer side of the sample tube 3 close to the top thereof, the second female thread 11 matched with the second male thread 12 is arranged at the bottom of the liquid distribution plate 1 to facilitate fixing and screwing off the sample tube 3, the top of the liquid suction rod 4 penetrates through the liquid distribution plate 1, the pull disc 13 is arranged at one end of the top of the liquid distribution plate 1, the pull ring 18 is arranged at the top of the pull ring 13 to facilitate pulling the liquid suction rod, divide liquid dish 1 to be located take out liquid pole 4 and divide liquid dish 1 to run through the department and be equipped with elastic rubber circle 14, elastic rubber circle 14 with take out liquid pole 4 cup joints and guarantees inside sealing performance so that extract the water sample when avoiding the water sample infiltration, the mesh diameter of filter plate 10 can filter bold impurity and floater for 2 millimeters.

When specifically using, pulling pull ring 18 stimulates and extracts the water sample to the water source, the water sample is separated out large granule impurity by filter screen board 10 after getting into from album liquid mouth 5, the water sample is filtered by filter screen drum 21 along drawing liquid section of thick bamboo 2 and is entered into in minute liquid dish 1 at last in, after the sample, twist off sample tube 3 can, in drawing pull ring 18 inlet liquid process, because collection liquid mouth 5 locates to add rubber leather sheath 9 and makes the sustainable for sample tube 3 that enters into in drawing liquid section of thick bamboo 2, can not be fast from collection liquid mouth 5 punishment, twist off bolt 20 and collection liquid mouth 5's lantern ring 6 after a period and clear up filter screen board 10, because drawing liquid section of thick bamboo 2 and minute liquid dish 1 be detachable construction alright dismantle the filtration filler in the filter screen drum 21 and take off and change.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sample collecting device for water resource detection is characterized by comprising a liquid separating disc (1), a liquid pumping cylinder (2), sample tubes (3), a liquid pumping rod (4) and a liquid collecting nozzle (5), wherein one end of the liquid pumping rod (4) is provided with a piston (17), the piston (17) is in sliding connection with the liquid pumping cylinder (2), the top of the liquid pumping cylinder (2) is detachably connected with the liquid separating disc (1), the liquid separating disc (1) is communicated with the liquid pumping cylinder (2), a filter screen cylinder (21) is fixed inside the liquid separating disc (1), the filter screen cylinder (21) is a stainless steel metal mesh cylinder with filter cotton wrapped inside, the liquid pumping rod (4) is sleeved in the filter screen cylinder (21), the bottom of the liquid separating disc (1) is provided with a plurality of sample tubes (3) distributed around the liquid pumping cylinder (2), and the liquid collecting nozzle (5) is arranged at the bottom end of the liquid pumping cylinder (2), the top of collection liquid mouth (5) is fixed with the lantern ring (6), the inner chamber of the lantern ring (6) is equipped with first female screw thread (8), an extraction section of thick bamboo (2) are close to the outer lane department of collection liquid mouth (5) is equipped with first male screw thread (7), the inside of an extraction section of thick bamboo (2) is close to collection liquid mouth (5) department is equipped with stainless steel's filter screen board (10), the inner chamber of collection liquid mouth (5) is equipped with rubber leather sheath (9) of being connected with the inlet of collection liquid mouth (5), rubber leather sheath (9) are equipped with the inlet for round platform form and its top.

2. The water resource detection sample collecting device according to claim 1, wherein a liquid level observation window (15) made of glass is arranged on the outer side of the liquid drawing cylinder (2), and a liquid level scale (16) is arranged on the outer side of the liquid level observation window (15).

3. The water resource detection sample collection device according to claim 1, wherein a metal ring (19) is sleeved on the outer ring edge of the screen plate (10), and a bolt (20) penetrating through the liquid extraction cylinder (2) and in threaded connection with the metal ring (19) is arranged on the outer side of the liquid extraction cylinder (2).

4. The water resource detection sample collection device according to claim 1, wherein the sample tube (3) is provided with a second male thread (12) on the outer side near the top thereof, and the bottom of the liquid separation disc (1) is provided with a second female thread (11) matching with the second male thread (12).

5. The water resource detection sample collecting device is characterized in that a pull disc (13) is arranged at one end, penetrating through the liquid distribution disc (1), of the top of the liquid pumping rod (4) and leading to the top of the liquid distribution disc (1), and a pull ring (18) is arranged at the top of the pull disc (13).

6. The water resource detection sample collecting device according to claim 5, wherein an elastic rubber ring (14) is arranged at the position where the liquid separating disc (1) penetrates the liquid pumping rod (4) and the liquid separating disc (1), and the elastic rubber ring (14) is sleeved with the liquid pumping rod (4).

7. The water resource detecting sample collecting device as claimed in claim 1, wherein the mesh diameter of the screen plate (10) is 2 mm.