Water quality monitoring sample collecting device

Abstract

The utility model relates to the field of water quality monitoring, in particular to a water quality monitoring sample collecting device which comprises a sampling barrel, the top of the sampling barrel is in threaded connection with a top cover, a movable mechanism is arranged in the middle in the top cover, an extending convex ring is installed at the bottom of the top cover, and a clamping groove is formed in the position, located at the movable mechanism, in the extending convex ring. A filtering frame body is in threaded connection inside and outside the clamping groove and outside the movable mechanism; according to the water sampling device, a user can conveniently open or close the sealing cover according to requirements through the movable mechanism and the balancing weight, when the sealing cover moves upwards, water enters the sampling barrel along the penetrating through hole, foreign matter such as gravel in the water is intercepted through the filtering frame body, the integrity of a water sample is guaranteed, and after the device is used once, the water sample can be filtered out through the filtering frame body. And the filtering frame body can be detached and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality monitoring, in particular to a water quality monitoring sample collection device. Background Art

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water bodies, the concentrations of various pollutants and their changing trends, and evaluating the water quality. The monitoring scope is very wide, including unpolluted and polluted natural water (rivers, lakes, seas and groundwater) and various industrial drainage. In the process of water quality monitoring, corresponding sample collection devices are usually used to collect samples of water bodies in the monitored water areas. The collected water samples can be used to make qualitative and quantitative detection and analysis of pollutants in the water under laboratory conditions, thereby reflecting the phased change characteristics of water quality and its evolution trend, providing a strong basis for water quality monitoring.

[0003] Most of the existing water quality monitoring sampling devices are used to intercept foreign matter such as sand and gravel in the water. The integrity of the water samples after sampling is weak, and the water samples need to be manually removed of impurities. Some of them are equipped with filtering structures, but most of the filtering structures are non-detachable. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a water quality monitoring sample collection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The water quality monitoring sample collection device comprises a sampling tube, wherein the top of the sampling tube is threadedly connected to a top cover, a movable mechanism is arranged in the middle of the top cover, and an extended convex ring is installed at the bottom of the top cover, a clamping groove is arranged in the extended convex ring at the movable mechanism, and a filter frame is threadedly connected to the outside of the movable mechanism inside and outside the clamping groove;

[0007] The movable mechanism includes a connecting rod, a limiting plate is installed at the bottom of the connecting rod, a counterweight is installed at the bottom of the limiting plate, the top of the connecting rod passes through the top cover and is connected to a sealing cover, and a spring is arranged outside the connecting rod between the limiting plate and the top cover.

[0008] In addition, a preferred structure is that a fixing frame is installed on the top of the top cover outside the sealing cover, and a fixing connecting ring is installed on the top of the fixing frame.

[0009] In addition, a preferred structure is that a first external threaded portion is provided on the outside of the extended convex ring, and a first internal threaded portion is adapted to be provided in the sampling tube at the first external threaded portion, and the first internal threaded portion and the first external threaded portion are clearance-matched.

[0010] In addition, a preferred structure is that a second external threaded portion is provided on the outside of the filter frame at the clamping groove, and a second internal threaded portion is adapted to be provided in the clamping groove at the second external threaded portion, and the second internal threaded portion and the second external threaded portion are clearance-matched.

[0011] In addition, a preferred structure is that a sealing extension convex ring is arranged outside the bottom end of the sealing cover, and a second magnetic attraction block is installed at the bottom of the sealing extension convex ring.

[0012] In addition, a preferred structure is that a groove is provided at the top of the top cover at the sealing extension convex ring, and a card slot is provided at the bottom of the groove, and a first magnetic attraction block is carded in the card slot.

[0013] In addition, a preferred structure is that a flow groove is opened in the extended convex ring below the clamping groove, and the diameter of the flow groove is larger than the diameter of the clamping groove.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the movable mechanism and the counterweight block are used to facilitate the user to open or close the sealing cover according to needs, and when the sealing cover moves upward, water enters the sampling tube along the through hole, and foreign matter such as sand and gravel in the water is intercepted by the filter frame to ensure the integrity of the water sample, and after the device is used once, the filter frame can be disassembled and cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the water quality monitoring sample collection device proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the sampling tube and the top cover of the utility model being separated;

[0018] Figure 3 This is a schematic diagram of the structure of the top cover proposed by the utility model;

[0019] Figure 4 It is a schematic structural diagram of the cross section of the top cover proposed by the utility model.

[0020] In the figure: 1. sampling tube; 2. top cover; 21. extension convex ring; 211. first external threaded portion; 212. clamping groove; 213. flow groove; 22. fixing frame; 3. sealing cover; 31. connecting ring; 4. filter frame; 41. second external threaded portion; 5. movable mechanism; 51. limit plate; 52. connecting rod; 53. spring; 6. first magnetic block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 The water quality monitoring sample collection device includes a sampling tube 1, the top of the sampling tube 1 is threadedly connected to a top cover 2, a movable mechanism 5 is arranged in the middle of the top cover 2, and an extension convex ring 21 is installed at the bottom of the top cover 2, a clamping groove 212 is opened in the extension convex ring 21 at the movable mechanism 5, and a filter frame 4 is threadedly connected to the outside of the movable mechanism 5 inside and outside the clamping groove 212, and a counterweight block is installed at the bottom of the sampling tube 1, through the counterweight block, it is ensured that the sampling tube 1 remains in a vertical state in the water, so that the sampling tube 1 can better sample the water body.

[0023] The movable mechanism 5 includes a connecting rod 52, a limiting plate 51 is installed at the bottom of the connecting rod 52, a counterweight is installed at the bottom of the limiting plate 51, the top of the connecting rod 52 passes through the top cover 2 and is connected to the sealing cover 3, and a spring 53 is arranged outside the connecting rod 52 between the limiting plate 51 and the top cover 2.

[0024] At the same time, a fixing frame 22 is installed on the top of the top cover 2 outside the sealing cover 3, and a fixing connecting ring is installed on the top of the fixing frame 22.

[0025] Furthermore, a first external threaded portion 211 is disposed on the exterior of the extending protruding ring 21 , and a first internal threaded portion is adapted to be disposed in the sampling tube 1 at the first external threaded portion 211 , and the first internal threaded portion and the first external threaded portion 211 are clearance-matched.

[0026] In addition, a second external threaded portion 41 is disposed outside the filter frame 4 at the clamping groove 212 , and a second internal threaded portion is adapted to be disposed inside the clamping groove 212 at the second external threaded portion 41 , and the second internal threaded portion and the second external threaded portion 41 are clearance-matched.

[0027] At the same time, a sealing extension convex ring is arranged outside the bottom end of the sealing cover 3, and a second magnetic attraction block is installed at the bottom of the sealing extension convex ring.

[0028] At the same time, a groove is provided at the top of the top cover 2 at the sealing extension convex ring, and a card slot is provided at the bottom of the groove, in which the first magnetic block 6 is carded, and a through hole is provided at the connecting rod 52 of the top cover 2.

[0029] In addition, a flow groove 213 is provided in the extending protruding ring 21 below the clamping groove 212 , and the diameter of the flow groove 213 is larger than the diameter of the clamping groove 212 . The flow groove 213 is provided so as not to affect the normal filtering of the filter frame 4 .

[0030] In this embodiment, the sampling tube 1 is placed in water through the connecting ring 31 and the pull rope connected to the fixed connecting ring. When the sampling tube 1 is lowered to a suitable position under the action of the counterweight, the pull rope is pulled to drive the connecting rod 31 and the sealing cover to move upward, and then water enters the sampling tube 1 along the through hole, and foreign matter such as sand and gravel in the water is intercepted by the filter frame 4 to ensure the integrity of the water sample.

[0031] Then, the pull rope is loosened, and the sealing cover 3 moves toward the sampling tube 1 under the action of its counterweight and spring 53 until the sealing extension convex ring of the sealing cover 3 is clamped in the groove of the top cover 2, and the second magnetic block of the sealing rod 3 is magnetically attracted to the first magnetic block 6 in the groove to ensure the stability of the connection between the sealing cover 3 and the top cover 2, and then the sampling tube 1 is taken out.

[0032] After taking out the sampling tube 1, the top cover 2 is disassembled at the first external threaded portion 211, and then the water sample is poured out, and the filter frame 4 can be disassembled and cleaned.

[0033] In the utility model, the movable mechanism 5 and the counterweight block are used to facilitate the user to open or close the sealing cover 3 according to needs, and when the sealing cover 3 moves upward, water enters the sampling tube 1 along the through hole, and foreign matter such as sand and gravel in the water is intercepted by the filter frame 4 to ensure the integrity of the water sample, and after the device is used once, the filter frame 4 can be disassembled and cleaned.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water quality monitoring sample collection device, comprising a sampling tube (1), characterized in that: The top of the sampling tube (1) is threadedly connected to a top cover (2), a movable mechanism (5) is arranged in the middle of the top cover (2), and an extended convex ring (21) is installed at the bottom of the top cover (2), a clamping groove (212) is provided in the extended convex ring (21) at the movable mechanism (5), and a filter frame (4) is threadedly connected to the outside of the movable mechanism (5) inside and outside the clamping groove (212); The movable mechanism (5) comprises a connecting rod (52), a limiting plate (51) is installed at the bottom of the connecting rod (52), a counterweight is installed at the bottom of the limiting plate (51), the top of the connecting rod (52) passes through the top cover (2) and is connected to a sealing cover (3), and a spring (53) is arranged outside the connecting rod (52) between the limiting plate (51) and the top cover (2).

2. The water quality monitoring sample collection device according to claim 1, characterized in that: A fixing frame (22) is installed on the top of the top cover (2) outside the sealing cover (3), and a fixing connection ring is installed on the top of the fixing frame (22).

3. The water quality monitoring sample collection device according to claim 1, characterized in that: The outside of the extended convex ring (21) is provided with a first external threaded portion (211), and the sampling tube (1) is provided with a first internal threaded portion adapted to be located at the first external threaded portion (211), and the first internal threaded portion and the first external threaded portion (211) are clearance-matched.

4. The water quality monitoring sample collection device according to claim 1, characterized in that: The filter frame (4) is provided with a second external threaded portion (41) at the clamping groove (212) outside, and a second internal threaded portion is adapted to be provided at the second external threaded portion (41) inside the clamping groove (212), and the second internal threaded portion and the second external threaded portion (41) are clearance-matched.

5. The water quality monitoring sample collection device according to claim 1, characterized in that: A sealing extension convex ring is arranged outside the bottom end of the sealing cover (3), and a second magnetic attraction block is installed at the bottom of the sealing extension convex ring.

6. The water quality monitoring sample collection device according to claim 1, characterized in that: The top of the top cover (2) is provided with a groove at the sealing extension convex ring, and the bottom of the groove is provided with a clamping groove, in which a first magnetic attraction block (6) is clamped.

7. The water quality monitoring sample collection device according to claim 1, characterized in that: A circulation groove (213) is provided in the extending protruding ring (21) below the clamping groove (212), and the diameter of the circulation groove (213) is greater than the diameter of the clamping groove (212).

Images