Water quality stratified sampling device

Abstract

The utility model relates to the technical field of water quality sampling, and discloses a water quality stratified sampling device which comprises a bottom plate, the top of the bottom plate is in threaded connection with a threaded column, the bottom end of the threaded column is rotatably connected with a sampling box, the sampling box is provided with a plurality of sampling cavities, the side wall of the sampling box is provided with a square opening, and the inner wall of each sampling cavity is fixedly connected with a side plate; according to the water quality stratified sampling device, an extrusion column is used for extruding a collision block, so that a baffle is tightly attached to a square opening, water cannot enter a sampling cavity in an inner cavity of a sampling box at the moment, a rotating column is rotated to drive the extrusion column to rotate to the other side, and a sliding column drives the baffle to be away from the square opening under the bounce action of a first spring; at the moment, external water enters the inner cavity of the sampling cavity through the square opening, and after sampling is completed, the rotating column is rotated to enable the extrusion column to continuously extrude the collision block and the baffle to continuously cut off the square opening, so that when the sampling box dives or ascends, the external water of the sampling box cannot enter the sampling box, and the purity of a sample is ensured.

Description

TECHNICAL FIELD

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

[0002] The sampling device needs to be used in the process of water quality detection, the water quality sampler is the equipment for sampling the water in the target water source, and the water quality detection is the unified detection of chemical substances, suspended solids, bottom mud and water ecological system in water, determination of the type, concentration and change trend of pollutants in water, evaluation of water quality condition and the like.

[0003] With the difference of water depth, the distribution of substances in different water layers is also different, in the sampling process, in order to ensure that water quality sampling is representative, different water layers are often sampled separately, but the existing sampling equipment is easy to be polluted in the moving process when falling to the predetermined water layer, causing inaccurate samples, and it is not convenient to carry when carrying, therefore, the water quality layered sampling device is provided. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a water quality layered sampling device, which has the advantages of simultaneously sampling multiple layers of samples and ensuring that the sampling box is clean before sampling, and avoids the problem that the sampling equipment is polluted when diving.

[0005] To achieve the purpose of simultaneously sampling multiple layers of samples and ensuring that the sampling box is clean before sampling, the utility model provides the following technical scheme:

[0006] A water quality layered sampling device, comprising a bottom plate, a threaded column is threadedly connected to the top of the bottom plate, and a sampling box is rotatably connected to the bottom end of the threaded column, and further comprising:

[0007] The sampling box is provided with a plurality of sampling cavities, a square opening is formed in the side wall of the sampling box, a side plate is fixedly connected to the inner wall of the sampling cavity, a sliding column is slidably connected to the side wall of the side plate, a baffle is fixedly connected to the end of the sliding column, the baffle can cover the square opening, a first spring is fixedly connected between the baffle and the side plate, a collision block is fixedly connected to the end of the sliding column, a rotating column is rotatably connected to the inner wall of the sampling box, and the rotating column extends above the bottom plate, and an extrusion column is fixedly connected to the side wall of the rotating column.

[0008] According to some embodiments, a sleeve is fixedly connected to the top of the sampling box, the rotating column is located in the inner cavity of the sleeve, and the rotating column can rotate in the inner cavity of the sleeve.

[0009] According to some embodiments, a sealing block is clamped to the side wall of the sampling box, and the sampling cavity, the square opening and the sealing block are all provided with a plurality of and one-to-one corresponding.

[0010] According to some embodiments, the sampling box inner wall is provided with a clamping groove, the baffle side wall is fixedly connected with a rubber strip, and the rubber strip can extend into the clamping groove cavity.

[0011] According to some embodiments, the baffle side wall is fixedly connected with a square block, and the square block can extend into the square port cavity.

[0012] According to some embodiments, the collision block is arranged in an arc shape, the extrusion column end is arranged in an arc shape, and the sampling box bottom is fixedly connected with a counterweight.

[0013] According to some embodiments, the rotating column inner wall is slidably connected with a first clamping column and a second clamping column on the upper and lower sides, and the second clamping column can penetrate the sleeve.

[0014] According to some embodiments, the first clamping column and the second clamping column are fixedly connected with a sliding plate, and the sliding plate and the rotating column inner wall are fixedly connected with a second spring.

[0015] Beneficial effects

[0016] The utility model provides a water quality layered sampling device has the following beneficial effects:

[0017] (1) the water quality layered sampling device, utilize extrusion column extrusion collision block, make baffle close square port, sampling cavity in sampling box cavity can't enter water at this time, rotate rotating column, make extrusion column rotate to the other side under rotating column, utilize the rebound force effect of first spring, sliding column drives baffle to be far from square port, at this time, the water of outside can enter the cavity in sampling cavity through square port, after sampling is finished, rotate rotating column again and make extrusion column continue extruding collision block, baffle continues to cut off square port, thus can ensure that the water of sampling box outside can not enter inside when sampling box submerges or rises, ensure the purity of sample;

[0018] (2) the water quality layered sampling device, sampling cavity is provided with a plurality of sampling cavities up and down in the cavity, and is provided with square port, and can sample samples of different depths through square port, and the side wall of square port is provided with baffle, and whether square port can suck in external water can be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model device;

[0020] Figure 2 It is the partial section structure schematic diagram of the sampling box of the utility model;

[0021] Figure 3 It is the structure schematic diagram (positive section) of the sampling box of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the baffle of the utility model;

[0023] Figure 5 It is a structure diagram (front view) of the rotating column of the utility model.

[0024] In the figure: 1, bottom plate; 101, threaded column; 102, sampling box; 2, sampling cavity; 201, square port; 202, side plate; 203, sliding column; 204, baffle; 205, first spring; 206, impact block; 207, rotating column; 208, extrusion column; 209, sleeve; 210, sealing block; 3, rubber strip; 301, square block; 4, counterweight block; 401, first clamping column; 402, second clamping column; 403, sliding plate; 404, second spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Referring to Figures 1-5 A water quality stratified sampling device, comprising a bottom plate 1, a threaded column 101 is threadedly connected to the top of the bottom plate 1, and a sampling box 102 is rotationally connected to the bottom end of the threaded column 101, further comprising:

[0027] The sampling box 102 is provided with a plurality of sampling cavities 2, a square port 201 is formed in the side wall of the sampling box 102, a side plate 202 is fixedly connected to the inner wall of the sampling cavity 2, a sliding column 203 is slidingly connected to the side wall of the side plate 202, a baffle 204 is fixedly connected to the end of the sliding column 203, the baffle 204 can cover the square port 201, a first spring 205 is fixedly connected between the baffle 204 and the side plate 202, an impact block 206 is fixedly connected to the end of the sliding column 203, a rotating column 207 is rotationally connected to the inner wall of the sampling box 102, and the rotating column 207 extends above the bottom plate 1, and an extrusion column 208 is fixedly connected to the side wall of the rotating column 207;

[0028] A sleeve 209 is fixedly connected to the top of the sampling box 102, the rotating column 207 is located in the inner cavity of the sleeve 209, and the rotating column 207 can rotate in the inner cavity of the sleeve 209;

[0029] A sealing block 210 is clamped to the side wall of the sampling box 102, the sampling cavities 2, the square ports 201 and the sealing blocks 210 are all provided with a plurality of corresponding ones;

[0030] Need to explain: the rotation of the bottom plate 1 top threaded column 101, threaded column 101 with sampling box 102 down, and sleeve 209 and rotating column 207 with sampling box 102 down, into the water, because the extrusion column 208 extrusion sliding column 203 end of the collision block 206, so that the baffle 204 close to the square port 201, sampling box 102 cavity sampling cavity 2 at this time can not enter the water, when to a certain depth, need to take sampling, can rotate rotating column 207, make rotating column 207 extrusion column 208 rotating to the other side, at this time in the first spring 205 rebound force, sliding column 203 driven baffle 204 away from the square port 201, at this time the external water will enter the sampling cavity 2 through the square port 201 cavity, after the collection, rotate rotating column 207 again to return to the original position, that is, the baffle 204 again to block the square port 201, external water can not enter the sampling cavity 2, thus can complete sampling.

[0031] Referring to Figures 1-5 , sampling box 102 inner wall is provided with a clamping groove, the baffle 204 side wall is fixedly connected with a rubber strip 3, and the rubber strip 3 can extend into the clamping groove;

[0032] The side wall of the baffle 204 is fixedly connected with a square block 301, and the square block 301 can extend into the inner cavity of the square port 201;

[0033] Need to explain: when the baffle 204 blocks the square port 201, the rubber strip 3 fixed on the side wall thereof can extend into the clamping groove, and the square block 301 slides into the inner cavity of the square port 201, thereby separating the inside and outside of the sampling box 102, so as to avoid water from seeping into the inner cavity of the sampling box 102.

[0034] Referring to Figures 1-5 , the collision block 206 is arc-shaped, the end of the extrusion column 208 is arc-shaped, and the bottom of the sampling box 102 is fixedly connected with a counterweight 4;

[0035] The first clamping column 401 and the second clamping column 402 are slidingly connected on the upper and lower sides of the inner wall of the rotating column 207, and the second clamping column 402 can penetrate the sleeve 209;

[0036] The first clamping column 401 and the second clamping column 402 are fixedly connected with a sliding plate 403, and the sliding plate 403 and the inner wall of the rotating column 207 are fixedly connected with a second spring 404;

[0037] Need to explain: the role of the impact block 206 can increase the weight of the sampling box 102, the sampling box 102 into the water is relatively simple, wherein the second card column 402 through the sleeve 209 makes the rotating column 207 and sleeve 209 clamping, easy to determine the position of rotating column 207 and extrusion column 208, wherein the first card column 401 can be pressed to make the first card column 401 through the sliding plate 403 to drive the second card column 402 sliding into the inner cavity of the rotating column 207, at this time the rotating column 207 can be rotated to adjust the position of the extrusion column 208.

[0038] Operation mode: rotate the threaded column 101 at the top of the bottom plate 1, the threaded column 101 drives the sampling box 102 to slide down, and the sleeve 209 and the rotating column 207 slide down with the sampling box 102, when entering the water, because the extrusion column 208 extrudes the impact block 206 at the end of the sliding column 203, so that the baffle 204 is tightly attached to the square port 201, the rubber strip 3 fixed on the side wall can extend into the inner cavity of the clamping groove, and the square block 301 slides into the inner cavity of the square port 201, thereby the inside and outside of the sampling box 102 can be separated, avoiding water from seeping into the inner cavity of the sampling box 102.

[0039] When reaching a certain depth, sampling is needed, the first card column 401 can be pressed to make the first card column 401 through the sliding plate 403 to drive the second card column 402 to slide into the inner cavity of the rotating column 207, at this time the rotating column 207 can be rotated to make the rotating column 207 drive the extrusion column 208 to rotate to the other side, at this time the sliding column 203 drives the baffle 204 to move away from the square port 201 under the rebounding force of the first spring 205, at this time the external water can enter the inner cavity of the sampling cavity 2 through the square port 201, after the collection is completed, the rotating column 207 is rotated again to return to the original position, that is, the baffle 204 blocks the square port 201 again, and the external water cannot enter the sampling cavity 2, thereby the sampling can be completed.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water quality stratified sampling device comprising a base plate (1) characterised in that: The bottom plate (1) top threaded connection has threaded column (101), threaded column (101) bottom end rotationally connected with sampling box (102), still includes: The sampling box (102) is provided with a plurality of sampling cavities (2), and the side wall of the sampling box (102) is provided with a square port (201); the inner wall of the sampling cavity (2) is fixedly connected with a side plate (202); the side wall of the side plate (202) is slidably connected with a sliding column (203); the end of the sliding column (203) is fixedly connected with a baffle (204); the baffle (204) can cover the square port (201); a first spring (205) is fixedly connected between the baffle (204) and the side plate (202); the end of the sliding column (203) is fixedly connected with a collision block (206); the inner wall of the sampling box (102) is rotatably connected with a rotating column (207), and the rotating column (207) extends above the bottom plate (1); the side wall of the rotating column (207) is fixedly connected with a pressing column (208).

2. The water quality stratified sampling device of claim 1, wherein: The top of the sampling box (102) is fixedly connected with a sleeve (209), and the rotating column (207) is located in the inner cavity of the sleeve (209).

3. The water quality stratified sampling device of claim 2, wherein: The side wall of the sampling box (102) is clamped with a sealing block (210), and the sampling cavity (2), the square port (201) and the sealing block (210) are provided with a plurality of and one-to-one correspondence.

4. The water quality stratified sampling device of claim 3, wherein: The inner wall of the sampling box (102) is provided with a clamping groove, and the side wall of the baffle (204) is fixedly connected with a rubber strip (3), which can extend into the inner cavity of the clamping groove.

5. The water quality stratified sampling device of claim 4, wherein: The side wall of the baffle (204) is fixedly connected with a square block (301), which can extend into the inner cavity of the square port (201).

6. The water quality stratified sampling device of claim 5, wherein: The collision block (206) is arranged in an arc shape, and the end of the pressing column (208) is arranged in an arc shape; the bottom of the sampling box (102) is fixedly connected with a counterweight (4).

7. The water quality stratified sampling device of claim 6, wherein: The inner wall of the rotating column (207) is slidably connected with a first clamping column (401) and a second clamping column (402) distributed on the upper and lower sides; the second clamping column (402) can penetrate the sleeve (209).

8. The water quality stratified sampling device of claim 7, wherein: The first clamping column (401) and the second clamping column (402) are fixedly connected with a sliding plate (403), and the sliding plate (403) and the inner wall of the rotating column (207) are fixedly connected with a second spring (404).

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