Closed water taking device capable of preventing secondary pollution

Abstract

A secondary pollution prevention closed water taking device relates to the technical field of sampling and comprises a water taking machine body and a telescopic rod, a conical hole is formed in the top of the water taking machine body, a first water taking pipe is fixedly mounted at the bottom hole position of the conical hole, and a second water taking pipe is slidably mounted at the bottom of the first water taking pipe in an up-down penetrating manner; a sealing pressing plate is fixedly installed on the second water taking pipe, a compression spring is connected between the upper end face of the sealing pressing plate and the upper side wall of an inner cavity of the water taking machine body, a bottom plate is installed at the bottom of the water taking machine body, and a base is fixedly installed on the upper end face of the bottom plate. The test tube for direct detection is installed in the inner cavity of the water taking machine body, meanwhile, the leakproofness of the inner cavity is guaranteed, and sampled water is directly guided into the test tube, so that the test tube can be directly taken out and sent to be detected after water taking is completed, pollution of the sampled water in the secondary transfer process is effectively avoided, and detection data are greatly guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of sampling technology, and in particular to a closed-loop water intake device for preventing secondary pollution. Background Technology

[0002] Water pollution is caused by harmful chemicals that reduce or eliminate the usability of water. Polluted water, including acids, alkalis, oxidants, and compounds such as copper, cadmium, mercury, and arsenic, as well as organic toxins like benzene, dichloroethane, and ethylene glycol, can kill aquatic life and affect drinking water sources and scenic landscapes. When organic matter in wastewater is decomposed by microorganisms, it consumes oxygen in the water, impacting the life of aquatic organisms. Once dissolved oxygen is depleted, organic matter undergoes anaerobic decomposition, producing foul-smelling gases such as hydrogen sulfide and mercaptans, further deteriorating water quality.

[0003] When treating polluted water, we often need to test the substances inside in order to carry out targeted purification treatment. Traditional water sampling for testing often involves directly sampling the polluted water source and then transferring the sampled water from the sampler to a test tube for testing. However, the transfer process can easily cause secondary pollution of the water, leading to inaccurate test data. Utility Model Content

[0004] The purpose of this invention is to provide a closed-loop water intake device to prevent secondary pollution, thereby solving the problems mentioned in the background art.

[0005] The technical problem solved by this utility model is achieved through the following technical solution:

[0006] A closed-loop water intake device for preventing secondary pollution includes a water intake body and a telescopic rod. The top of the water intake body is provided with a conical hole, and a first water intake pipe is fixedly installed at the bottom of the conical hole. A second water intake pipe is slidably installed through the bottom of the first water intake pipe. A sealing pressure plate is fixedly installed on the second water intake pipe. A compression spring is connected between the upper end face of the sealing pressure plate and the upper side wall of the inner cavity of the water intake body. A base plate is installed at the bottom of the water intake body, and a base is fixedly installed on the upper end face of the base plate. A sampling test tube is placed in the inner cavity of the base, and the upper end face of the sampling test tube abuts against the lower end face of the sealing pressure plate. The bottom of the second water intake pipe is inserted into the inner cavity of the sampling test tube.

[0007] Preferably, a locking cylinder is provided on the upper end face of the base plate, and a thread is provided in the inner cavity of the locking cylinder. A locking disc is rotatably installed on the upper end face of the water intake body, and a lead screw is fixedly connected to the lower end face of the locking disc. The lead screw is threadedly connected to the inner cavity of the locking cylinder.

[0008] Preferably, the telescopic rod is rotatably connected to the upper end face of the locking disc, and a baffle is fixedly sleeved on the locking disc.

[0009] Preferably, a concave cavity is provided at the upper edge of the conical hole, and a filter screen is fixedly installed in the concave cavity.

[0010] Preferably, an elastic ring is installed in the inner cavity of the base.

[0011] Preferably, a support column is fixedly installed at the bottom of the base plate, and a support plate is installed at the bottom of the support column.

[0012] The advantages and positive effects of this utility model are:

[0013] This invention, when collecting water samples, involves inserting a test tube for direct testing into the internal cavity of the water collection machine while ensuring the cavity is sealed. The sampled water is then directly introduced into the test tube, allowing the test tube to be directly removed and sent for testing after water collection. This effectively avoids contamination of the sampled water during secondary transfer and greatly ensures the quality of the test data. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the overall structure of the closed-loop water intake device for preventing secondary pollution of this utility model;

[0016] Figure 2 This is a schematic diagram of the unfolded structure of the water intake body of the closed water intake device for preventing secondary pollution of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the base plate of the closed water intake device for preventing secondary pollution according to this utility model;

[0018] Figure 4 This is a partial sectional view of the water intake body of the closed water intake device for preventing secondary pollution according to this utility model.

[0019] The markings in the attached diagram are as follows: water intake body 10; telescopic rod 11; baffle 12; locking plate 13; base plate 14; support column 15; support plate 16; filter screen 17; conical hole 18; locking cylinder 19; base 20; elastic ring 21; sampling test tube 22; lead screw 23; sealing pressure plate 24; first water intake pipe 25; second water intake pipe 26. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention. These drawings are simplified schematic diagrams, which are only used to illustrate the basic structure of the present invention in an illustrative manner. Therefore, they only show the components related to the present invention.

[0021] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0022] The following is combined with Figure 1-4 This utility model will be described in detail below. For ease of description, the directions mentioned below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 4 The directions of front, back, left, right, up, and down in the view are consistent. Figure 4 The directions shown are consistent with the front-facing, back-facing, left-right, up-down directions of the device.

[0023] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of at least two elements or the interaction relationship of at least two elements, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0024] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:

[0025] Please see Figure 1-4This utility model provides an embodiment of a closed-loop water intake device for preventing secondary pollution, comprising a water intake body 10 and a telescopic rod 11. The top of the water intake body 10 has two symmetrically arranged conical holes 18 for convenient water collection. A first water intake pipe 25 is fixedly installed at the bottom of each conical hole 18. A second water intake pipe 26 is slidably installed vertically through the bottom of the first water intake pipe 25, allowing the second water intake pipe 26 to slide vertically with the first water intake pipe 25. A sealing pressure plate 24 is fixedly installed on the second water intake pipe 26. A compression spring connects the upper end face of the sealing pressure plate 24 to the upper side wall of the inner cavity of the water intake body 10. A base plate 14 is installed at the bottom of the water intake body 10, and a support column 15 is fixedly installed at the bottom of the base plate 14. A support plate is installed at the bottom of the support column 15. 16. A base 20 is fixedly installed on the upper surface of the base plate 14. A sampling test tube 22 is placed in the inner cavity of the base 20. The sampling test tube 22 is a test tube for collecting sampled water for testing. The upper surface of the sampling test tube 22 is pressed against the lower surface of the sealing pressure plate 24. The bottom of the second water intake pipe 26 is inserted into the inner cavity of the sampling test tube 22. The upper surface of the sampling test tube 22 is pressed down by the sealing pressure plate 24 to form stability and prevent water from overflowing. When taking water, the water flows from the conical hole 18 and enters the sampling test tube 22 through the second water intake pipe 26 to complete the water sampling. Then, it is only necessary to open the bottom plate 14 to take out the sampling test tube 22 and send the sampling test tube 22 directly for testing. This effectively avoids the contamination of the sampled water during the secondary transfer process and greatly ensures the test data.

[0026] It is worth mentioning that, in order to make the internal environment of the sampling tube 22 more sealed, in this embodiment, a locking cylinder 19 is provided on the upper end face of the base plate 14, and a thread is provided in the inner cavity of the locking cylinder 19. A locking disc 13 is rotatably installed on the upper end face of the water taking body 10, and a lead screw 23 is fixedly connected to the lower end face of the locking disc 13. The lead screw 23 is threadedly connected to the inner cavity of the locking cylinder 19. The lead screw 23 can be tightened in the locking cylinder 19 by rotating the locking disc 13, so that the airtightness of the internal cavity and the stability of the connection with the base plate 14 can be effectively guaranteed when sampling water.

[0027] In another embodiment, a concave cavity is provided at the upper edge of the conical hole 18, and a filter screen 17 is fixedly installed in the concave cavity to intercept some impurities in the water sample.

[0028] It should be noted that in this embodiment, the telescopic rod 11 is rotatably connected to the upper end face of the locking disc 13, and a baffle 12 is fixedly sleeved on the locking disc 13. Initially, the baffle 12 covers the filter screen 17, and the sampled water cannot pass through into the conical hole 18. When water needs to be taken, the telescopic rod 11 is rotated so that the baffle 12 is disengaged from the filter screen 17, thereby allowing water to enter the conical hole 18 for sampling.

[0029] In another embodiment, an elastic ring 21 is installed in the inner cavity of the base 20. The elastic ring 21 is used to clamp the bottom part of the sampling tube 22 to a certain extent by means of its contraction property, and at the same time, the elastic ring 21 can be adapted to a test tube of a certain size.

[0030] In practice, first, open the bottom plate 14, insert the sampling tube 22 into the base 20, and tighten it using the elastic ring 21. Then, install the bottom plate 14 into the bottom of the water collection body 10, so that the upper end of the sampling tube 22 abuts against the bottom of the sealing plate 24. Then, rotate the locking disc 13 to lock the bottom plate 14. At the same time, hold the top of the telescopic rod 11 and send the water collection body 10 into the water area to be sampled. After reaching the water level, rotate the telescopic rod 11 to open the baffle 12, allowing water to pass through the filter screen 17 and enter the sampling tube 22 for water sampling. After sampling, open the bottom plate 14 to take out the sampling tube 22 containing the water sample for direct testing.

[0031] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.

Claims

1. A closed-loop water intake device for preventing secondary pollution, comprising a water intake body (10) and a telescopic rod (11), characterized in that: The top of the water intake body (10) is provided with a conical hole (18). A first water intake pipe (25) is fixedly installed at the bottom hole of the conical hole (18). A second water intake pipe (26) is slidably installed through the bottom of the first water intake pipe (25). A sealing pressure plate (24) is fixedly installed on the second water intake pipe (26). A compression spring is connected between the upper end face of the sealing pressure plate (24) and the upper side wall of the inner cavity of the water intake body (10). A base plate (14) is installed at the bottom of the water intake body (10). A base (20) is fixedly installed on the upper end face of the base plate (14). A sampling test tube (22) is placed in the inner cavity of the base (20). The upper end face of the sampling test tube (22) abuts against the lower end face of the sealing pressure plate (24). The bottom of the second water intake pipe (26) is inserted into the inner cavity of the sampling test tube (22).

2. The closed-loop water intake device for preventing secondary pollution according to claim 1, characterized in that: A locking cylinder (19) is provided on the upper end face of the base plate (14). The inner cavity of the locking cylinder (19) is provided with threads. A locking disc (13) is rotatably installed on the upper end face of the water intake body (10). A lead screw (23) is fixedly connected to the lower end face of the locking disc (13). The lead screw (23) is threadedly connected to the inner cavity of the locking cylinder (19).

3. The closed-loop water intake device for preventing secondary pollution according to claim 2, characterized in that: The telescopic rod (11) is rotatably connected to the upper end face of the locking disc (13), and a baffle (12) is fixedly sleeved on the locking disc (13).

4. The closed-loop water intake device for preventing secondary pollution according to claim 3, characterized in that: A concave cavity is provided at the upper edge of the conical hole (18), and a filter screen (17) is fixedly installed in the concave cavity.

5. The closed-loop water intake device for preventing secondary pollution according to claim 4, characterized in that: An elastic ring (21) is installed in the inner cavity of the base (20).

6. The closed-loop water intake device for preventing secondary pollution according to claim 5, characterized in that: The bottom of the base plate (14) is fixedly installed with a support column (15), and the bottom of the support column (15) is installed with a support plate (16).

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