Water quality stratified sampling device

Abstract

The utility model discloses a water quality stratified sampling device which comprises a plurality of outer sleeves in threaded connection, a plurality of sampling barrels which are rotationally arranged in the outer sleeves and are in one-to-one correspondence with the outer sleeves, a rotating handle for driving the sampling barrels to rotate, and a lower-layer sealing cover arranged at the bottom of the outer sleeve at the lowest end, the upper end and the lower end of the outer sleeve are open, a water inlet is formed in the side wall of the outer sleeve, a sampling opening corresponding to the water inlet is formed in the side wall of each sampling barrel, the outer wall of each sampling barrel is tightly connected with the inner wall of the outer sleeve, a cross-shaped inserting plate is arranged at the upper end of each sampling barrel, a cross-shaped inserting groove matched with the cross-shaped inserting plate is formed in the lower end of each sampling barrel, and the sampling barrels are connected end to end. The stratified sampling device has the beneficial effects that the device is simple in structure and relatively convenient to assemble and disassemble, and the stratified sampling effect can be realized through a plurality of flexibly assembled outer sleeves and sampling barrels according to the sampling requirements of water quality at different depth levels.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality sampling technical field, especially relate to a water quality layered sampling device. BACKGROUND

[0002] Construction usually produces a large amount of wastewater, mainly from the site concrete pouring, construction site cleaning, raw material handling and other processes. These wastewater usually contains silt, chemicals and organic matter, etc. If the wastewater cannot be effectively treated or discharged at will, it will cause significant damage to the soil and water sources. Industrial or domestic wastewater must be purified according to the standard or discharged according to the standard. Therefore, it is necessary to pay attention to the treatment and management of wastewater in construction.

[0003] The quality of wastewater after treatment is directly related to the degree of environmental pollution, so it is necessary to sample the treated wastewater and detect the water quality indicators such as suspended solids, organic matter and heavy metal ions through chemical analysis to ensure that the wastewater after treatment meets the environmental discharge or reuse standards. When industrial or domestic wastewater is treated, the water quality needs to be detected and verified. Different depth levels of water quality purification treatment will show different purification results, so it is necessary to sample the water quality at different depth levels.

[0004] The existing water quality layered sampling device is mostly integrated into a sampling mode, which is difficult to adjust according to the sampling requirements of different depths, resulting in inconvenience in layered sampling use. UTILITY MODEL CONTENT

[0005] In order to overcome the problem that the existing water quality layered sampling device is mostly integrated into a sampling mode, which is difficult to adjust according to the sampling requirements of different depths, resulting in inconvenience in layered sampling use, the utility model embodiment provides a water quality layered sampling device. The technical solution is as follows:

[0006] The application discloses a water quality layered sampling device which comprises a plurality of threaded outer sleeves, a plurality of sampling cylinders arranged in the outer sleeves and corresponding to the outer sleeves, a handle for rotating the sampling cylinders and a lower sealing cover arranged at the bottom of the lowermost outer sleeve; the upper and lower ends of the outer sleeve are both open, a water inlet is arranged on the lateral wall of the outer sleeve, a sampling port corresponding to the water inlet is arranged on the lateral wall of the sampling cylinder, the outer wall of the sampling cylinder is tightly connected with the inner wall of the outer sleeve, a cross-shaped insertion plate is arranged at the upper end of the sampling cylinder, a cross-shaped insertion groove matched with the cross-shaped insertion plate is arranged at the lower end of the sampling cylinder, and the sampling cylinders are connected in a head-to-tail mode.

[0007] Further, a circular baffle is horizontally fixed in the inner upper end of the outer sleeve, the upper end of the sampling cylinder abuts against the baffle, the lower end of the sampling cylinder abuts against the baffle on the outer sleeve connected below, and the lower end of the sampling cylinder at the lowermost end abuts against the lower sealing cover.

[0008] Further, the baffle is provided with a through hole, the handle passes through the through hole and is connected with the upper end surface of the sampling cylinder.

[0009] Further, the upper end of the outer sleeve is provided with an internal thread, the lower end of the outer sleeve is provided with an external thread matched with the internal thread, and the outer sleeves are connected in a head-to-tail mode.

[0010] Further, the uppermost outer sleeve is fixedly provided with a hand holding frame.

[0011] Further, the hand holding frame comprises a plurality of supporting rods fixedly arranged on the uppermost outer sleeve, an arc-shaped sliding plate is connected to the upper ends of the supporting rods, the sliding plate has an L-shaped cross section, limit plates are arranged at the two ends of the sliding plate, one end of the handle is connected with the sampling cylinder, and the other end of the handle is slidingly connected with the sliding plate.

[0012] Further, a strip-shaped through hole is formed in the lateral wall of the sliding plate, a positioning screw rod is threadedly connected to the end of the handle close to the sliding plate, and the free end of the positioning screw rod passes through the strip-shaped through hole.

[0013] Further, the end of the handle close to the sampling cylinder is provided with an insertion groove matched with the cross-shaped insertion plate.

[0014] Further, the uppermost outer sleeve is provided with an upper sealing cover, and the handle is sealed at the connection position with the upper sealing cover.

[0015] The technical scheme provided by the embodiment of the utility model has the advantages that the device is simple in structure, convenient to assemble and disassemble, and can realize the effect of layered sampling through the flexible assembly of the outer sleeve and the sampling cylinder according to the sampling requirement of water quality of different depth levels. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the technical scheme of the embodiment of the utility model clearer, the drawings used in the embodiment will be briefly introduced as follows, and obviously, the drawings listed below are only some embodiments of the utility model, and other drawings can be obtained according to the drawings without creative labor for the ordinary skilled in the art.

[0017] Figure 1 is the overall structure schematic view of the embodiment of the utility model;

[0018] Figure 2 is the internal structure schematic view of the embodiment of the utility model;

[0019] Figure 3 is the outer sleeve structure schematic view of the embodiment of the utility model;

[0020] Figure 4 is the main view schematic view of the sampling cylinder of the embodiment of the utility model;

[0021] Figure 5 is the overall structure schematic view of the sampling cylinder of the embodiment of the utility model;

[0022] Figure 6 is Figure 1 the structure enlarged schematic view of A in the embodiment of the utility model.

[0023] In the drawings, the component list represented by each mark is as follows: 1, outer sleeve; 101, water inlet; 102, internal thread; 103, external thread; 104, baffle; 2, sampling cylinder; 201, sampling port; 202, cross-shaped insertion plate; 203, cross-shaped insertion groove; 3, handle; 4, lower layer sealing cover; 5, hand-held frame; 501, supporting rod; 502, sliding plate; 503, limiting plate; 504, positioning screw; 6, upper layer sealing cover. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model clearer, the embodiment of the utility model will be further described in detail in combination with the drawings.

[0025] Referring to Figures 1 to 6The utility model discloses an embodiment provides a kind of water quality layered sampling device, including several threaded outer sleeves 1, several sampling tubes 2 being rotationally arranged in outer sleeve 1 interior and with outer sleeve 1 one-to-one correspondence, the handle 3 of driving sampling tube 2 and the lower layer sealing cover 4 of the bottom of outer sleeve 1 being arranged in the lowermost end;Outer sleeve 1 upper and lower ends are both open, water inlet 101 is provided on the lateral wall of outer sleeve 1, sampling port 201 corresponding with water inlet 101 is provided on the lateral wall of sampling tube 2, and the outer wall of sampling tube 2 is tightly connected with the inner wall of outer sleeve 1, the cross insertion plate 202 is provided on the upper end of sampling tube 2, the cross insertion slot 203 matched with cross insertion plate 202 is provided on the lower end of sampling tube 2, and several sampling tubes 2 are connected head to tail.

[0026] Circular baffle 104 is fixed horizontally in the upper end of outer sleeve 1, the upper end of sampling tube 2 abuts baffle 104, the lower end of sampling tube 2 abuts the baffle 104 on the outer sleeve 1 connected below, and the lower end of the sampling tube 2 located in the lowermost end abuts the lower layer sealing cover 4.

[0027] Baffle 104 is provided with through hole, and handle 3 is connected with the upper end surface of sampling tube 2 by passing through through hole.

[0028] Inner thread 102 is provided on the upper end of outer sleeve 1, outer thread 103 matched with inner thread 102 is provided on the lower end of outer sleeve 1, and several outer sleeves 1 are connected head to tail.

[0029] Hand-held frame 5 is fixedly arranged on the uppermost outer sleeve 1.

[0030] Hand-held frame 5 includes several support rods 501 fixedly arranged on the uppermost outer sleeve 1, and the upper end of several support rods 501 is commonly connected with an arc-shaped sliding plate 502, the cross section of sliding plate 502 is L-shaped, and limiting plate 503 is arranged at the both ends of sliding plate 502, one end of handle 3 is connected with sampling tube 2, and the other end of handle 3 is slidingly connected with sliding plate 502.

[0031] Strip-shaped through hole is formed in the lateral wall of sliding plate 502, positioning screw rod 504 is threadedly connected with one end of handle 3 close to sliding plate 502, and the free end of positioning screw rod 504 passes through strip-shaped through hole.

[0032] One end of handle 3 close to sampling tube 3 is provided with insertion slot matched with cross insertion plate 202.

[0033] Upper layer sealing cover 6 is arranged on the uppermost outer sleeve 1, and handle 3 penetrates upper layer sealing cover 6 to carry out sealing treatment.

[0034] Method for using: when using the device, first, according to the sampling requirement of water quality of different depth levels, select the assembled number of the outer sleeve 1, then install each outer sleeve 1 and the sampling cylinder 2 inside from the end of the hand support 5, align the cross-shaped plug plate 202 on the upper end of the sampling cylinder 2 with the plug slot on the handle 3 and plug, then connect the outer sleeve 1 of the next section with the outer sleeve 1 of the previous section, put the sampling cylinder 2 into the bottom of the outer sleeve 1, then plug the cross-shaped plug plate 202 on the upper end of the sampling cylinder 2 with the plug slot on the lower end of the sampling cylinder 2 of the previous section, repeat the installation of each section to complete the assembly of all the outer sleeve 1 and the sampling cylinder 2, then install the lower sealing cover 4 at the lower end of the outer sleeve 1 at the end;

[0035] When sampling, first, rotate the handle 3 to drive the several sections of the sampling cylinder 2 to rotate, so as to stagger the sampling port 201 and the water inlet 101, ensure the airtightness of the sampling cylinder 2, then hold the hand support 5 to insert each outer sleeve 1 into the corresponding water layer, then rotate the handle 3 to align the sampling port 201 with the water inlet 101, sample the water quality, after sampling, rotate the handle 3 to make the upper end of the handle 3 at the end of the slide plate 502, so as to easily identify whether the sampling port 201 of the sampling cylinder 2 is open or closed, after sampling, finally, fix the handle 3 by tightening the positioning screw 504, so as to position the sampling cylinder 2, avoid the leakage problem caused by the rotation of the sampling cylinder 2.

[0036] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water quality stratified sampling device, characterized by, The application relates to a sampling device, which comprises a plurality of outer sleeves (1) connected through threads, a plurality of sampling tubes (2) arranged in the outer sleeves (1) and corresponding to the outer sleeves (1), a rotating handle (3) for driving the sampling tubes (2) to rotate, and a lower sealing cover (4) arranged at the bottom of the lowermost outer sleeve (1). The upper and lower ends of the outer sleeve (1) are both open, a water inlet (101) is arranged on the lateral wall of the outer sleeve (1), a sampling port (201) corresponding to the water inlet (101) is arranged on the lateral wall of the sampling tube (2), the outer wall of the sampling tube (2) is tightly connected with the inner wall of the outer sleeve (1), a cross-shaped insertion plate (202) is arranged at the upper end of the sampling tube (2), a cross-shaped insertion groove (203) matched with the cross-shaped insertion plate (202) is arranged at the lower end of the sampling tube (2), and the sampling tubes (2) are connected in a head-to-tail mode.

2. The water quality stratified sampling device of claim 1, wherein, A circular baffle (104) is horizontally fixed in the inner portion of the upper end of the outer sleeve (1), the upper end of the sampling tube (2) abuts against the baffle (104), the lower end of the sampling tube (2) abuts against the baffle (104) on the outer sleeve (1) connected below, and the lower end of the sampling tube (2) located at the lowermost end abuts against the lower sealing cover (4).

3. The water quality stratified sampling device of claim 2, wherein, The baffle (104) is provided with a through hole, and the rotating handle (3) is connected with the upper end surface of the sampling tube (2) through the through hole.

4. The water quality stratified sampling device of claim 3, wherein, An inner thread (102) is arranged at the upper end of the outer sleeve (1), an outer thread (103) matched with the inner thread (102) is arranged at the lower end of the outer sleeve (1), and the outer sleeves (1) are connected in a head-to-tail mode.

5. The water quality stratified sampling device of claim 4, wherein, A hand holding frame (5) is fixedly arranged at the uppermost outer sleeve (1).

6. The water quality stratified sampling device of claim 5, wherein, The hand holding frame (5) comprises a plurality of supporting rods (501) fixedly arranged on the uppermost outer sleeve (1), an arc-shaped sliding plate (502) is connected to the upper ends of the supporting rods (501), the cross section of the sliding plate (502) is L-shaped, limit plates (503) are arranged at the two ends of the sliding plate (502), one end of the rotating handle (3) is connected with the sampling tube (2), and the other end of the rotating handle (3) is slidingly connected with the sliding plate (502).

7. The water quality stratified sampling device of claim 6, wherein, A strip-shaped through hole is formed in the lateral wall of the sliding plate (502), a positioning screw rod (504) is threadedly connected to one end of the rotating handle (3) close to the sliding plate (502), and the free end of the positioning screw rod (504) penetrates through the strip-shaped through hole.

8. The water quality stratified sampling device of claim 1, wherein, One end of the rotating handle (3) close to the sampling tube (2) is provided with an insertion groove matched with the cross-shaped insertion plate (202).

9. The water quality stratified sampling device of claim 1, wherein, An upper sealing cover (6) is arranged on the uppermost outer sleeve (1).

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