Environmental pollution sampling device

Abstract

The utility model relates to an environmental pollution sampling device, which belongs to the technical field of water pollution sampling and comprises a first telescopic rod, a second telescopic rod is slidably arranged at the lower end of the first telescopic rod, and a third telescopic rod is telescopically arranged at the lower end of the second telescopic rod. Sampling barrels are arranged at the lower ends of the first telescopic rod, the second telescopic rod and the third telescopic rod correspondingly, and positioning assemblies fixed to the first telescopic rod, the second telescopic rod and the third telescopic rod correspondingly are arranged at the bottoms of the three sampling barrels correspondingly; according to the water sampling device disclosed by the utility model, water at different depths can be sampled at the same time through the plurality of sampling barrels, and the sampling barrels can be communicated with the sampling barrels to be transferred into a laboratory, so that the water in the sampling barrels is prevented from being in contact with the air, and the water is prevented from being polluted; and the detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pollution sampling technical field, concretely relates to an environmental pollution sampling device. BACKGROUND

[0002] Water pollution sampling, also known as water pollution sampling, is the process of extracting water samples from polluted water quality according to the specified method and certain proportion. By detecting and analyzing the extracted water samples, the degree of water pollution, the types and contents of pollutants, and other related water quality parameters are determined to guide production activities and take relevant measures to reduce water pollution.

[0003] For example, in the Chinese utility model patent with the announcement number CN218725634U and the name of an environmental pollution source water quality sampling device, a handle, a winding wheel and a sampling cylinder body are included, a first motor is fixedly installed inside the left end of the handle, a rotating shaft is fixedly connected to the output end of the first motor, and the left end of the rotating shaft is fixedly connected with the winding wheel; a waterproof winding rope is fixedly wound on the winding wheel, and the bottom end of the waterproof winding rope is fixedly connected with the top end of the sampling cylinder body. Although the above-mentioned prior art can sample water at a certain depth, the sampling cylinder body needs to pour out the water into other containers after sampling, which can easily cause the sampled water to be in contact with air and be contaminated, resulting in inaccurate detection results. Therefore, an environmental pollution sampling device is needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned problems and provides an environmental pollution sampling device with simple structure and reasonable design.

[0005] The utility model achieves the above-mentioned purposes through the following technical solutions:

[0006] An environmental pollution sampling device includes a first telescopic rod, a second telescopic rod is slidingly arranged at the lower end of the first telescopic rod, a third telescopic rod is telescopically arranged at the lower end of the second telescopic rod, a sampling cylinder is arranged at the lower end of each of the first telescopic rod, the second telescopic rod and the third telescopic rod, a positioning assembly is fixedly arranged at the bottom of each of the three sampling cylinders, and an air extraction assembly for simultaneously extracting the air inside the three sampling cylinders is arranged at the upper end of the first telescopic rod.

[0007] As a further optimization scheme of the utility model, the positioning assembly includes a positioning cylinder arranged outside the sampling cylinder, a positioning base is arranged at the bottom of the positioning cylinder, a first buckle plate is rotatably arranged at one side of the positioning base, a second buckle plate matched with the first buckle plate is rotatably arranged at the other side of the positioning base, and an annular positioning groove matched with the first buckle plate and the second buckle plate is formed at the lower end of each of the first telescopic rod, the second telescopic rod and the third telescopic rod.

[0008] As a further optimization scheme of the utility model, one end of the first buckle plate is fixedly provided with a first locking magnet, and one end of the second buckle plate is fixedly provided with a second locking magnet which is magnetically attracted to the first locking magnet.

[0009] As a further optimization scheme of the utility model, the inner bottom of the positioning cylinder is fixedly provided with a first positioning magnet, and the bottom of the sampling cylinder is provided with a second positioning magnet which is magnetically attracted to the first positioning magnet.

[0010] As a further optimization scheme of the utility model, the upper side of the positioning cylinder is provided with a sliding groove, and the upper side of the sampling cylinder is provided with an air suction nozzle which is slidingly matched with the sliding groove.

[0011] As a further optimization scheme of the utility model, the air suction assembly comprises a liquid inlet nozzle arranged at one end of the sampling cylinder, the upper end of the first telescopic rod is fixedly provided with an air suction cylinder, the inner side of the air suction cylinder is sealingly and slidingly provided with a piston rod, the lower end of the air suction cylinder is communicatively provided with a hose which is communicated with the air suction nozzle, and the upper end of the first telescopic rod is fixedly provided with a handle.

[0012] The utility model discloses the beneficial effect lies in: in the utility model, through the piston rod of pulling, can make the air in the inside of multiple different depth's sampling cylinder through the hose and draw into the inside of air suction cylinder, make the sampling cylinder of different depth suction corresponding depth's water, and when sampling is completed, only needs to pull off the sampling cylinder on corresponding hose, and through the rubber plug, liquid inlet nozzle and air suction nozzle are sealed, can be connected sampling cylinder together and be transferred to the laboratory, avoid the water in the sampling cylinder and air contact, make the water be contaminated, influence the precision of subsequent detection. ACCURATE DRAWING

[0013] Figure 1 It is the first overall structure schematic drawing of the utility model, and

[0014] Figure 2 It is the second overall structure schematic drawing of the utility model, and

[0015] Figure 3 It is the third overall structure schematic drawing of the utility model, and

[0016] Figure 4 It is the first telescopic rod overall structure schematic drawing of the utility model, and

[0017] Figure 5 It is the sampling cylinder first overall structure schematic drawing of the utility model, and

[0018] Figure 6 It is the sampling cylinder second overall structure schematic drawing of the utility model, and

[0019] Figure 7The utility model discloses Figure 1 The enlarged view of the middle A;

[0020] Figure 8 The utility model discloses Figure 2 The enlarged view of the middle B;

[0021] Figure 9 The utility model discloses Figure 3 The enlarged view of the middle C.

[0022] In the drawing: 1, first telescopic link; 2, second telescopic link; 3, third telescopic link; 4, handle; 5, hose; 6, suction cylinder; 7, piston rod; 8, positioning assembly; 801, positioning cylinder; 802, sliding slot; 803, first buckle plate; 804, second buckle plate; 805, positioning base; 806, first positioning magnet; 807, second positioning magnet; 808, first locking magnet; 809, second locking magnet; 9, sampling cylinder; 10, suction nozzle; 11, liquid inlet nozzle; 12, annular positioning groove. Specific embodiments

[0023] The following detailed description of the application in conjunction with the drawings, it is necessary to point out here that the following detailed description is only used to further illustrate the application, can not be understood as limiting the scope of the application, the skilled person can make some non-essential improvements and adjustments to the application according to the above application.

[0024] Embodiments

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, an environmental pollution sampling device comprises a first telescopic rod 1, a second telescopic rod 2 is slidably arranged at the lower end of the first telescopic rod 1, and a third telescopic rod 3 is telescopically arranged at the lower end of the second telescopic rod 2. The lower ends of the first telescopic rod 1, the second telescopic rod 2 and the third telescopic rod 3 are all provided with sampling cylinders 9. Only three telescopic rods and the sampling cylinders 9 thereon are shown in the embodiment, and the number of sampling cylinders 9 and the number of telescopic rods can be flexibly adjusted according to actual needs. The first telescopic rod 1, the second telescopic rod 2 and the third telescopic rod 3 are all provided with scale lines (not shown in the figure). The second telescopic rod 2 and the third telescopic rod 3 can be extended to a specific length through the scale lines, so that the corresponding sampling cylinders 9 are located at different depths, and water samples at different depths can be sampled at the same time. This prevents the water at different depths from being mixed together during single sampling, thereby avoiding affecting the accuracy of sampling. The upper end of the first telescopic rod 1 is provided with an air suction assembly for simultaneously suctioning the air inside the three sampling cylinders 9. The air suction assembly comprises a liquid inlet nozzle 11 arranged at one end of the sampling cylinder 9. The upper end of the first telescopic rod 1 is fixedly provided with an air suction cylinder 6. The inner side of the air suction cylinder 6 is sealingly and slidably provided with a piston rod 7. A rubber sealing plug is arranged between the piston rod 7 and the inner side wall of the air suction cylinder 6, so as to seal between the air suction cylinder 6 and the piston rod 7, thereby facilitating air suction. The lower end of the air suction cylinder 6 is communicatively provided with a hose 5 which is in communication with an air suction nozzle 10. The upper end of the first telescopic rod 1 is fixedly provided with a handle 4. When in use, the air inside the sampling cylinder 9 can be suctioned into the air suction cylinder 6 through the hose 5 by pulling the piston rod 7, and at the same time, the water on one side of the sampling cylinder 9 is suctioned into the sampling cylinder 9 through the negative pressure inside the sampling cylinder 9, so as to sample the water. Since the three sampling cylinders 9 are located at different depths, water at different depths can be sampled at the same time, preventing mutual influence and avoiding inaccurate sampling.

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 8 , Figure 9As shown, the bottom of the three sampling cylinders 9 is provided with a positioning assembly 8 fixed on the first telescopic rod 1, the second telescopic rod 2 and the third telescopic rod 3 respectively, the positioning assembly 8 comprises a positioning cylinder 801 sleeved outside the sampling cylinder 9, the upper side of the positioning cylinder 801 is provided with a sliding groove 802, the upper side of the sampling cylinder 9 is provided with an air suction nozzle 10 in sliding cooperation with the sliding groove 802, during the installation of the sampling cylinder 9, only the bottom of the sampling cylinder 9 needs to be inserted into the inside of the positioning cylinder 801, and the air suction nozzle 10 on the upper side of the sampling cylinder 9 passes through the sliding groove 802, the inside bottom of the positioning cylinder 801 is fixedly provided with a first positioning magnet 806, the bottom of the sampling cylinder 9 is provided with a second positioning magnet 807 in magnetic attraction cooperation with the first positioning magnet 806, the sampling cylinder 9 can be fixed on the inside of the positioning cylinder 801 through the first positioning magnet 806 and the second positioning magnet 807, so as to prevent the sampling cylinder 9 from falling off from the positioning cylinder 801 during sampling, and affect the sampling effect, the bottom of the positioning cylinder 801 is provided with a positioning base 805, one side of the positioning base 805 is rotatably provided with a first buckle plate 803, the other side of the positioning base 805 is rotatably provided with a second buckle plate 804 in cooperation with the first buckle plate 803, one end of the first buckle plate 803 is fixedly provided with a first locking magnet 808, one end of the second buckle plate 804 is fixedly provided with a second locking magnet 809 in magnetic attraction cooperation with the first locking magnet 808, the lower end of the first telescopic rod 1, the second telescopic rod 2 and the third telescopic rod 3 is provided with an annular positioning groove 12 in cooperation with the first buckle plate 803 and the second buckle plate 804, during use, the first buckle plate 803 and the second buckle plate 804 are buckled in the inside of the annular positioning groove 12, and then the first locking magnet 808 at one end of the first buckle plate 803 and the second locking magnet 809 at one end of the second buckle plate 804 are in magnetic attraction cooperation, so that the sampling cylinder 9 on the inside of the positioning cylinder 801 is fixed on the corresponding first telescopic rod 1, the second telescopic rod 2 and the third telescopic rod 3, preventing the sampling cylinder 9 from falling off during sampling, and affecting the accuracy of sampling.

[0027] Need to explain, this kind of environmental pollution sampling device, when using, first the bottom of sampling cylinder 9 is inserted into the inside of positioning cylinder 801, just can make the second positioning magnet 807 of sampling cylinder 9 bottom and the first positioning magnet 806 of the inside of positioning cylinder 801 cooperate, make sampling cylinder 9 fixed in the inside of positioning cylinder 801, then the second telescopic rod 2 and third telescopic rod 3 are successively lengthened, and first telescopic rod 1, second telescopic rod 2 and third telescopic rod 3 are inserted into water, then pull piston rod 7, just can make the air in the inside of sampling cylinder 9 be extracted to the inside of suction cylinder 6 through hose 5, simultaneously make the water on the side of sampling cylinder 9 be sucked into the inside of sampling cylinder 9 through the negative pressure in the inside of sampling cylinder 9, just can make water sample, since three sampling cylinders 9 are located at different depths, can simultaneously sample water at different depths, after sampling, directly pull off the sampling cylinder on the corresponding hose, and the liquid inlet and suction nozzle are sealed by rubber plug, just can be transferred to laboratory together with sampling cylinder, avoid the water in sampling cylinder and air contact, make water be contaminated, improve the precision of subsequent detection.

[0028] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as the limitation of the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. An environmental pollution sampling device, comprising a first telescopic rod (1), characterized in that: The lower end of the first telescopic rod (1) is slidably provided with a second telescopic rod (2), the lower end of the second telescopic rod (2) is telescopically provided with a third telescopic rod (3), the lower ends of the first telescopic rod (1), the second telescopic rod (2) and the third telescopic rod (3) are all provided with sampling cylinders (9), the bottoms of the three sampling cylinders (9) are all provided with positioning components (8) respectively fixed on the first telescopic rod (1), the second telescopic rod (2) and the third telescopic rod (3), and the upper end of the first telescopic rod (1) is provided with an exhaust component for extracting air from the three sampling cylinders (9) at the same time; The positioning assembly (8) includes a positioning cylinder (801) sleeved on the outside of the sampling cylinder (9), a positioning base (805) is provided at the bottom of the positioning cylinder (801), a first buckle plate (803) is rotatably provided on one side of the positioning base (805), and a second buckle plate (804) that cooperates with the first buckle plate (803) is rotatably provided on the other side of the positioning base (805), and the lower ends of the first telescopic rod (1), the second telescopic rod (2) and the third telescopic rod (3) are all provided with an annular positioning groove (12) that cooperates with the first buckle plate (803) and the second buckle plate (804).

2. An environmental pollution sampling device according to claim 1, characterized in that: A first locking magnet (808) is fixedly provided at one end of the first buckle plate (803), and a second locking magnet (809) that is magnetically engaged with the first locking magnet (808) is fixedly provided at one end of the second buckle plate (804).

3. The environmental pollution sampling device according to claim 2, characterized in that: A first positioning magnet (806) is fixedly provided on the inner bottom of the positioning cylinder (801), and a second positioning magnet (807) that is magnetically coupled with the first positioning magnet (806) is provided on the bottom of the sampling cylinder (9).

4. The environmental pollution sampling device according to claim 3, characterized in that: A chute (802) is provided on the upper side of the positioning cylinder (801), and an air suction nozzle (10) that slidably cooperates with the chute (802) is provided on the upper side of the sampling cylinder (9).

5. The environmental pollution sampling device according to claim 4, characterized in that: The vacuum assembly includes a liquid inlet nozzle (11) arranged at one end of the sampling tube (9), an air suction cylinder (6) is fixedly provided at the upper end of the first telescopic rod (1), a piston rod (7) is sealingly and slidably provided on the inner side of the air suction cylinder (6), a hose (5) connected to the air suction nozzle (10) is provided at the lower end of the air suction cylinder (6), and a handle (4) is fixedly provided at the upper end of the first telescopic rod (1).

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