Water environment monitoring sampler

Abstract

The utility model belongs to the technical field of monitoring samplers, and discloses a water environment monitoring sampler which comprises a handheld rod, a sampling rod is fixedly mounted at the bottom of the handheld rod, a plurality of sampling bins are formed in the sampling rod from top to bottom, and a water inlet is formed in one side of each sampling bin; the water environment monitoring sampler comprises a sampling rod, a hand-held rod and a movable rod, the hand-held rod is provided with a water inlet, the movable rod is connected to the interior of the sampling rod in a sliding mode, a cup cover is welded to one side of the movable rod, and a sealing door is welded to the side, close to the water inlet, of the movable rod. The movable rod is pulled upwards, the cup cover is pulled out of the top of the sampling cup through the movable rod, at the moment, the movable rod is loosened, the cup cover and the sealing door are reset through the dead weight of the movable rod, the sampling bin is closed, the sampler is simple in structure, no mechanical mechanism needs to be installed, on one hand, the equipment cost is reduced, and on the other hand, the sampler is convenient to carry.

Description

Technical Field

[0001] The utility model belongs to the technical field of monitoring samplers, and particularly relates to a water environment monitoring sampler. Background Technique

[0002] Water environment monitoring is an important environmental protection activity, which evaluates the quality of water bodies through physical, chemical and biological methods. This monitoring work aims to understand the presence, concentration level of pollutants in water bodies and the trend of water quality changes, so as to provide a scientific basis for water resource management and protection. When conducting water environment monitoring, a sampler is needed to collect water samples from the monitored water area.

[0003] For example, a water environment monitoring sampler with the publication number CN219369230U includes a cylinder. Sampling cylinders are uniformly installed along the circumferential direction on the lower inner wall of the cylinder. A connecting pipe is fixedly installed on the lower surface of the sampling cylinder, and the connecting pipe is inserted into the lower side of the lower side wall of the cylinder. A one-way water inlet valve is threadedly installed on the lower surface of the connecting pipe. A metal mesh cover is threadedly installed on the lower side of the outer surface of the cylinder. A weight mechanism is installed on the lower surface of the metal mesh cover. A water intake mechanism is installed on the upper surface of the sampling cylinder. A pressing plate is threadedly installed on the upper surface of the cylinder corresponding to the water intake mechanism. A controller and a power supply mechanism are fixedly installed on the pressing plate. A sealing cover is threadedly installed on the upper surface of the cylinder. The utility model can sample water bodies at different depths, can obtain multiple groups of monitoring data, make the detection results more accurate, is convenient for disassembling and assembling each component, is convenient for later maintenance, and effectively avoids the blockage of the water inlet of the sampler;

[0004] This sampler has a complex structure, and mechanical mechanisms such as a storage battery and an electric telescopic rod are arranged inside it, so that it is heavy and not easy to carry and use, and at the same time increases the cost of the sampler. In order to solve the above problems, a water environment monitoring sampler is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a water environment monitoring sampler, including:

[0006] A hand-held rod, at the bottom of which a sampling rod is fixedly installed. A plurality of sampling chambers are opened in the sampling rod from top to bottom. A fixed seat is fixedly installed at the bottom of the sampling chamber. A sampling cup is arranged on the upper surface of the fixed seat. An inlet is opened on one side of the sampling chamber;

[0007] A movable rod, which is slidably connected inside the sampling rod. A cup cover is welded on one side of the movable rod. A sealing door is welded on the side of the movable rod close to the inlet.

[0008] Through the above technical solution, when water sample collection is required, hold the handheld rod and insert the sampling rod into the monitoring water area. When the sampling rod is completely submerged in the water, pull up the movable rod, pull the cup cover out from the top of the sampling cup through the movable rod, and at the same time move the sealing door away from the water inlet side. At this time, the water in the water area fills the inside of the sampling chamber through the water inlet, and the water in the sampling chamber enters the inside of the sampling cup. Then release the movable rod, and the cup cover and the sealing door are reset by the self-weight of the movable rod to close the sampling chamber. At the same time, the cup mouth of the sampling cup is sealed by the cup cover, and then the sampling rod is pulled out of the water to complete the sampling operation. The sampler has a simple structure and does not require the installation of any mechanical mechanism. On the one hand, it reduces the cost of the equipment, and on the other hand, it is convenient to carry the sampler.

[0009] In a preferred embodiment, a plurality of drainage holes are formed in the outer walls on both sides of the sampling chamber.

[0010] Through the above technical solution, when the sampling rod is pulled out after sampling is completed, the excess water in the sampling chamber is discharged through the drainage holes, which is convenient for pulling the sampling rod out of the water.

[0011] In a preferred embodiment, a connecting ring is welded to the top of the handheld rod, and a safety cord is wound around the outer wall of the connecting ring.

[0012] Through the above technical solution, when the sampler accidentally slips out of the hand during the sampling process, the sampler can be pulled back by the safety cord.

[0013] In a preferred embodiment, a rotating rod is threadedly connected to the lower end of the sampling cup, a moving bottom plate is fixedly installed at the upper end of the rotating rod, and the moving bottom plate is slidably connected to the inside of the sampling cup.

[0014] Through the above technical solution, by rotating the rotating rod to drive the moving plate to move up and down inside the sampling cup, the capacity of the sampling cup is changed, so that the sampling volume can be limited.

[0015] In a preferred embodiment, a sealing ring is fixedly installed on the outer wall of the moving bottom plate.

[0016] Through the above technical solution, the sealing performance between the moving plate and the sampling cup is improved by setting the sealing ring.

[0017] In a preferred embodiment, a groove adapted to the bottom of the sampling cup is formed on the upper surface of the fixed seat.

[0018] In a preferred embodiment, a friction ring is fixedly installed on the outer wall of the upper end of the handheld rod.

[0019] Through the above technical solution, the friction of the handheld rod is increased, and the risk of slipping out of the hand is reduced.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are: the utility model proposes a water environment monitoring sampler.

[0021] When it is necessary to collect water samples, hold the hand-held rod and insert the sampling rod into the monitored water area. When the sampling rod is completely immersed in the water, pull the movable rod upwards, pull the cup cover out from the top of the sampling cup through the movable rod, and move the sealing door away from the side of the water inlet. At this time, the water in the water area is poured into the sampling chamber through the water inlet, and the water in the sampling chamber enters the sampling cup. At this time, release the movable rod, and the cup cover and the sealing door are reset by the dead weight of the movable rod, and the sampling chamber is closed. At the same time, the mouth of the sampling cup is closed by the cup cover, and then the sampling rod is pulled out of the water to complete the sampling operation. The sampler has a simple structure and does not require the installation of any mechanical mechanism. On the one hand, it reduces the cost of the equipment, and on the other hand, it is easy to carry the sampler. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a cross-sectional view of the sampling rod in the utility model;

[0024] Figure 3 It is a cross-sectional view of the sampling cup in the utility model.

[0025] Markings in the figure: 1-hand-held rod; 2-sampling rod; 3-sampling chamber; 4-fixed seat; 5-sampling cup; 6-water inlet; 7-movable rod; 8-cup cover; 9-sealing door; 10-drain hole; 11-rotating rod; 12-movable bottom plate; 13-sealing ring; 14-connecting ring; 15-safety rope; 16-friction ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The following will be combined Figures 1-3 A water environment monitoring sampler according to an embodiment of the utility model is described in detail.

[0028] Example:

[0029] A water environment monitoring sampler, comprising:

[0030] The handheld rod 1 has a sampling rod 2 fixedly installed at its bottom. A connecting ring 14 is welded to the top of the handheld rod 1, and a safety rope 15 is wound around the outer wall of the connecting ring 14. When the sampler accidentally slips out of the hand during the sampling process, the sampler can be pulled back by the safety rope 15. A friction ring 16 is fixedly installed on the outer wall of the upper end of the handheld rod 1 to increase the friction of the handheld rod 1 and reduce the risk of slipping out of the hand.

[0031] Inside the sampling rod 2, a plurality of sampling chambers 3 are opened from top to bottom. A plurality of drain holes 10 are opened on both outer walls of the sampling chamber 3. When the sampling rod 2 is pulled out after sampling is completed, the excess water in the sampling chamber 3 is discharged through the drain holes 10, facilitating the pulling out of the sampling rod 2 from the water.

[0032] A fixed seat 4 is fixedly installed at the bottom of the sampling chamber 3. A sampling cup 5 is arranged on the upper surface of the fixed seat 4. A groove adapted to the bottom of the sampling cup 5 is opened on the upper surface of the fixed seat 4. The lower end of the sampling cup 5 is threadedly connected with a rotating rod 11. The upper end of the rotating rod 11 is fixedly installed with a moving bottom plate 12. A sealing ring 13 is fixedly installed on the outer wall of the moving bottom plate 12. By setting the sealing ring 13, the sealing performance between the moving plate 12 and the sampling cup 5 is improved. The moving bottom plate 12 is slidably connected inside the sampling cup 5. By rotating the rotating rod 11, the moving plate 12 is driven to move up and down inside the sampling cup 5, thereby changing the capacity of the sampling cup 5, and thus the sampling amount can be limited. An inlet 6 is opened on one side of the sampling chamber 3.

[0033] A movable rod 7 is slidably connected inside the sampling rod 2. A cup cover 8 is welded to one side of the movable rod 7, and a sealing door 9 is welded to the side of the movable rod 7 close to the inlet 6. Pull the movable rod 7 upward. The cup cover 8 is pulled out from the top of the sampling cup 5 through the movable rod 7, and at the same time, the sealing door 9 is moved away from the side of the inlet 6. At this time, the water in the water area is poured into the sampling chamber 3 through the inlet 5, and the water in the sampling chamber 3 enters the sampling cup 5. At this time, release the movable rod 7, and the cup cover 8 and the sealing door 9 are reset by the self-weight of the movable rod 7 to close the sampling chamber 3. At the same time, the cup mouth of the sampling cup 5 is closed by the cup cover 8, and then the sampling rod 2 is pulled out of the water to complete the sampling operation. The sampler has a simple structure and does not require the installation of any mechanical mechanism. On the one hand, the cost of the equipment is reduced, and on the other hand, it is convenient to carry the sampler.

[0034] Working principle:

[0035] When it is necessary to collect water samples, hold the hand-held rod 1 and insert the sampling rod 2 into the monitored water area. When the sampling rod 2 is completely immersed in the water, pull the movable rod 7 upwards, and pull the cup cover 8 out from the top of the sampling cup 5 through the movable rod 7. At the same time, move the sealing door 9 away from the side of the water inlet 6. At this time, the water in the water area is poured into the sampling chamber 3 through the water inlet 5, and the water in the sampling chamber 3 enters the sampling cup 5. At this time, release the movable rod 7, and the cup cover 8 and the sealing door 9 are reset by the dead weight of the movable rod 7, and the sampling chamber 3 is closed. At the same time, the cup mouth of the sampling cup 5 is closed through the cup cover 8, and then the sampling rod 2 is pulled out of the water to complete the sampling operation. The sampler has a simple structure and does not require the installation of any mechanical mechanism. On the one hand, it reduces the cost of the equipment, and on the other hand, it is convenient to carry the sampler.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A water environment monitoring sampler, characterized in that: Comprising: A hand-held rod (1), at the bottom of which a sampling rod (2) is fixedly installed. A plurality of sampling bins (3) are arranged in the sampling rod (2) from top to bottom. A fixed seat (4) is fixedly installed at the bottom of the sampling bin (3). A sampling cup (5) is arranged on the upper surface of the fixed seat (4). A water inlet (6) is arranged on one side of the sampling bin (3); A movable rod (7) which is slidably connected inside the sampling rod (2). A cup cover (8) is welded on one side of the movable rod (7). A sealing door (9) is welded on one side of the movable rod (7) close to the water inlet (6).

2. The water environment monitoring sampler according to claim 1, characterized in that: A plurality of drain holes (10) are arranged on the outer walls of both sides of the sampling bin (3).

3. The water environment monitoring sampler according to claim 1, characterized in that: A connecting ring (14) is welded at the top of the hand-held rod (1), and a release cord (15) is wound around the outer wall of the connecting ring (14).

4. The water environment monitoring sampler according to claim 1, characterized in that: The lower end of the sampling cup (5) is threadedly connected with a rotating rod (11). The upper end of the rotating rod (11) is fixedly installed with a moving bottom plate (12), and the moving bottom plate (12) is slidably connected inside the sampling cup (5).

5. The water environment monitoring sampler according to claim 4, characterized in that: A sealing ring (13) is fixedly installed on the outer wall of the moving bottom plate (12).

6. The water environment monitoring sampler according to claim 1, characterized in that: A groove adapted to the bottom of the sampling cup (5) is arranged on the upper surface of the fixed seat (4).

7. The water environment monitoring sampler according to claim 1, characterized in that: A friction ring (16) is fixedly installed on the outer wall of the upper end of the hand-held rod (1).

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