Water quality monitoring stratified sampling device

Abstract

The utility model discloses a water quality monitoring stratified sampling device, which belongs to the field of sampling devices and comprises a sampling barrel, a containing cavity is arranged in the sampling barrel, and a fixing frame is arranged on the outer wall of the sampling barrel. The sampling barrels are provided with the assembly protrusions, the positioning grooves, the connecting holes, the positioning rods, the round holes and the fixing screws, so that the sampling barrels can be increased or decreased and spliced according to actual conditions, the flexibility and the adaptability are high during use, the sampling barrel at the uppermost end is provided with the hand lifting structure, the sampling barrel at the uppermost end can be sealed, operation of workers is facilitated, and the sampling efficiency is improved. The sampling control structure is arranged on the fixing frame, the sampling control structure can be moved up and down to open and close the water inlet, it is guaranteed that water cannot enter the device when the device enters a water body, water of different layers is prevented from entering the same sampling barrel, and the accuracy of subsequent sampling is guaranteed; the adjacent movable plates are fixedly connected through the connecting rods, the connecting grooves and the abutting bolts, stability is high after connection, and meanwhile disassembly is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device field, especially in water quality monitoring layered sampling device. BACKGROUND

[0002] The main purpose of water quality monitoring is to protect water resources, maintain ecological balance, guarantee drinking water safety, promote the rational use of water resources and sustainable economic and social development. Through monitoring, water pollution problems can be found in time, effective measures can be taken to control and prevent pollution from spreading and worsening, so as to protect limited water resources. In order to better monitor water quality, layered sampling device is often used to sample water bodies at different depths, and then different samples are detected.

[0003] The existing patent number CN219589992U discloses a water quality monitoring layered sampling device. In this patent, layered sampling can be achieved, and it is convenient to disassemble, replace and maintain. However, in the above-mentioned patent, the internal sampling cylinder is connected by a threaded sleeve. After connection, the connecting pipe and the water inlet pipe cannot be accurately aligned, which will affect the sampling effect, and it is not convenient to take out the sample. The device in the above-mentioned patent cannot increase or decrease the sampling cylinder according to the actual situation, and the flexibility and adaptability of use are general. At the same time, in the above-mentioned patent, when the device enters the water body, the water in the upper layer of the water body will enter the sampling cylinder at the lower end of the device, which will affect the accuracy of sampling, and the effect of use is general. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a water quality monitoring layered sampling device, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A water quality monitoring layered sampling device, comprising a sampling cylinder, an internal cavity is arranged in the sampling cylinder, a fixing frame is arranged on the outer wall of the sampling cylinder, a sliding groove is formed in the fixing frame, a water inlet is arranged on the sampling cylinder, a clearance hole is formed in the outer wall of the fixing frame, a sampling control structure is arranged in the sliding groove of the fixing frame, an assembly protrusion is arranged at the lower end of the sampling cylinder, a positioning groove is arranged on the assembly protrusion, a connecting hole is arranged on the assembly protrusion, a positioning rod is arranged at the upper end of the sampling cylinder, adjacent sampling cylinders are spliced together, and a hand carrying structure is arranged at the upper end of the uppermost sampling cylinder.

[0007] Preferably, a round hole is arranged at the upper end of the sampling cylinder, a fixing screw is arranged in the round hole, and the positioning rod and the positioning groove of adjacent sampling cylinders are inserted together.

[0008] Preferably, the sampling control structure comprises a movable plate, a limiting block, a connecting rod, a through hole, a mounting groove, a filtering assembly, a connecting groove, a threaded hole and a pressing bolt, the limiting block is fixed at the upper end of the movable plate, and the limiting block is fixedly connected with the connecting rod, the through hole and the mounting groove are arranged at the lower end of the movable plate, the filtering assembly is arranged in the mounting groove at the lower end of the movable plate and is aligned with the through hole, the connecting groove is arranged at the lower end of the movable plate, the threaded hole is arranged on the movable plate and is in communication with the connecting groove, and the pressing bolt is threadedly connected in the threaded hole.

[0009] Preferably, the filtering assembly comprises a fixed frame, a screw filter screen, a plug-in column and a plug-in groove, the screw filter screen is fixed on the fixed frame, the plug-in column is installed on the inner side of the fixed frame, and the plug-in groove is arranged in the mounting groove and is clamped with the plug-in column.

[0010] Preferably, the hand-carrying structure comprises a sealing cover, a sealing block, a hand-carrying rod and a stop block, the sealing cover is fixedly connected with the sealing block, the sealing block is provided with a strip-shaped groove and a threaded hole, the hand-carrying rod is fixedly connected with the stop block, and the hand-carrying rod is installed on the upper surface of the sealing cover.

[0011] Compared with the prior art, the water quality monitoring layered sampling device has the following beneficial effects: the sampling cylinder is provided with an assembly protrusion, a positioning groove, a connecting hole, a positioning rod, a circular hole and a fixing screw, so that the sampling cylinder can be spliced according to actual conditions, and the flexibility and adaptability are high during use; the hand-carrying structure is installed on the uppermost sampling cylinder, the uppermost sampling cylinder can be sealed, and the operation of the staff is facilitated; the sampling control structure is arranged on the fixing frame, and the opening and closing effect of the water inlet can be realized by moving the sampling control structure up and down, so that the device cannot enter water when entering the water body, different levels of water cannot enter the same sampling cylinder, the accuracy of subsequent sampling is ensured, adjacent movable plates are fixedly connected through the connecting rod, the connecting groove and the pressing bolt, the stability is high after connection, and the movable plates are convenient to disassemble; the filtering assembly is plugged in the mounting groove, and the filtering assembly can be quickly disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a structure schematic view of the sampling cylinder of the utility model;

[0014] Figure 3 It is a structure schematic view of the water inlet of the utility model;

[0015] Figure 4 It is a structure schematic view of the sampling control structure of the utility model;

[0016] Figure 5 For the utility model Figure 4 The enlarged view of A in the middle;

[0017] Figure 6 For the structure diagram of the portable structure of the utility model.

[0018] In the drawing: 1, sampling cylinder; 2, containing cavity; 3, fixed frame; 4, water inlet; 5, sliding groove; 6, sampling control structure; 601, movable plate; 602, limiting block; 603, connecting rod; 604, through hole; 605, mounting groove; 606, filtering assembly; 6061, fixed frame; 6062, filter screen; 6063, plug-in column; 6064, plug-in slot; 607, connecting groove; 608, screw hole; 609, abutting bolt; 7, assembly protrusion; 8, positioning groove; 9, connecting hole; 10, positioning rod; 11, round hole; 12, fixed screw; 13, portable structure; 1301, sealing cover; 1302, sealing block; 1303, portable rod; 1304, stop block. Specific implementation

[0019] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0020] As Figures 1-6 Indicated, a water quality monitoring layered sampling device, including sampling cylinder 1, the inside of sampling cylinder 1 is equipped with containing cavity 2, the outer wall of sampling cylinder 1 is equipped with fixed frame 3, and the sliding groove 5 is opened in fixed frame 3, and the water inlet 4 is equipped on sampling cylinder 1, the outer wall of fixed frame 3 is opened to let go of the hole, and the sampling control structure 6 is equipped in the sliding groove 5 on fixed frame 3, the lower end of sampling cylinder 1 is equipped with assembly protrusion 7, and the positioning groove 8 is equipped on assembly protrusion 7, the connecting hole 9 is equipped on assembly protrusion 7, the upper end of sampling cylinder 1 is equipped with positioning rod 10, adjacent sampling cylinder 1 is spliced together, the upper end of the uppermost sampling cylinder 1 is equipped with portable structure 13, the upper end of sampling cylinder 1 is provided with round hole 11, and fixed screw 12 is equipped in round hole 11, the positioning rod 10 on adjacent sampling cylinder 1 and positioning groove 8 are plugged together, portable structure 13 includes sealing cover 1301, sealing block 1302, portable rod 1303 and stop block 1304, sealing cover 1301 is fixedly connected with sealing block 1302, and the strip slot and screw hole are equipped on sealing block 1302, portable rod 1303 is fixedly connected with stop block 1304, and portable rod 1303 is installed on the upper surface of sealing cover 1301, assembly protrusion 7, positioning groove 8, connecting hole 9, positioning rod 10, round hole 11 and fixed screw 12 are set on sampling cylinder 1, so that sampling cylinder 1 can be spliced according to actual conditions, and the flexibility and adaptability are high when using, the portable structure 13 is installed on the uppermost sampling cylinder 1, the uppermost sampling cylinder 1 can be sealed, and it is convenient for staff operation.

[0021] Before the water quality stratified sampling, according to the need to select the appropriate number of sampling cylinder 1 splicing assembly, assembly, adjacent sampling cylinder 1 splicing together, the lower sampling cylinder 1 on the positioning rod 10 connected to the upper sampling cylinder 1 lower end assembly protrusions 7 on the positioning slot 8, in the lower sampling cylinder 1 on the round hole 11 set screw 12, so that the fixed screw 12 into the upper sampling cylinder 1 lower end of the connecting hole 9, thus completing the adjacent sampling cylinder 1 fixed work, this process, the upper and lower sampling cylinder 1 wall set sampling control structure 6 also splicing together, according to the above process to complete all sampling cylinder 1 assembly, in the uppermost sampling cylinder 1 set hand structure 13, sealing cover 1301 through the sealing block 1302 set to the sampling cylinder 1 upper end, through the corresponding fixed screw 12 will sealing block 1302 fixed on the sampling cylinder 1 upper end, thus completing the installation of hand structure 13, then start using the sampling device, the initial stage, sampling control structure 6 relative to the fixed frame 3 is low, the inlet 4 is closed, the staff through the hand rod 1303 and block 1304 to lift the device, the whole device into the water body, when the device in place, the uppermost sampling control structure 6 operation, the uppermost sampling control structure 6 with the lower sampling control structure 6 along the corresponding chute 5 rises, thus exposing the inlet 4, different levels of water through the inlet 4 into the storage cavity 2, thus realizing the stratified sampling purpose, after sampling again using sampling control structure 6 inlet 4 closing, take out the device, in turn disassembly sampling cylinder 1 sample discharge can.

[0022] With the above implementation, the sampling control structure 6 comprises a movable plate 601, a limiting block 602, a connecting rod 603, a through hole 604, a mounting groove 605, a filtering assembly 606, a connecting groove 607, a threaded hole 608, and a pressing bolt 609. The limiting block 602 is fixed at the upper end of the movable plate 601 and is fixedly connected with the connecting rod 603. The through hole 604 and the mounting groove 605 are arranged at the lower end of the movable plate 601. The filtering assembly 606 is arranged in the mounting groove 605 at the lower end of the movable plate 601 and is aligned with the through hole 604. The connecting groove 607 is arranged at the lower end of the movable plate 601. The threaded hole 608 is arranged on the movable plate 601 and is in communication with the connecting groove 607. The pressing bolt 609 is threadedly connected in the threaded hole 608. The filtering assembly 606 comprises a fixed frame 6061, a screw filter screen 6062, a plug-in post 6063, and a plug-in groove 6064. The screw filter screen 6062 is fixed on the fixed frame 6061. The plug-in post 6063 is mounted on the inner side of the fixed frame 6061. The plug-in groove 6064 is arranged in the mounting groove 605 and is clamped with the plug-in post 6063. The sampling control structure 6 is arranged on the fixed frame 3. The up-and-down movement of the sampling control structure 6 can realize the opening and closing effect of the water inlet 4, so that the device cannot enter water when entering the water body, and different levels of water cannot enter the same sampling cylinder 1, thereby ensuring the accuracy of subsequent sampling. The adjacent movable plates 601 are fixedly connected by the connecting rod 603, the connecting groove 607, and the pressing bolt 609. After being connected, the stability is high, and the movable plates 601 are convenient to disassemble. The filtering assembly 606 is plugged in the mounting groove 605 and can be quickly disassembled and assembled, thereby facilitating the replacement work.

[0023] In the splicing sampling control structure 6, the connecting rod 603 on the lower layer limiting block 602 is inserted into the connecting groove 607 at the lower end of the upper layer movable plate 601, the abutting bolt 609 in the threaded hole 608 is rotated, so that the adjacent sampling control structures 6 are fixed together, when all the sampling control structures 6 are spliced, the initial stage is started to use, the upper end of the movable plate 601 is located at the water inlet 4, is matched with the fixed frame 3, plays a sealing role, water cannot enter the containing cavity 2, when the device is in place, all the sampling control structures 6 are moved upwards through the uppermost connecting rod 603, the movable plate 601 rises until the through hole 604 is aligned with the water inlet 4, at this time, water enters the containing cavity 2 from the through hole 604 and the water inlet 4, so that the sampling purpose is realized, in this process, the filter screen 6062 on the fixed frame 6061 plays a role in filtering impurities, avoiding impurities such as branches and leaves from entering the sampling cylinder 1, when the sampling is completed, the sampling control structure 6 is moved downwards, and the movable plate 601 is used to close the water inlet 4, when needed, the filter assembly 606 can be disassembled and replaced, when disassembled, the fixed frame 6061 can be directly taken out from the mounting groove 605, then replaced, and after replacement, the fixed frame 6061 is assembled by using the plug-in column 6063 and the plug-in groove 6064, the structure is simple, the operation is convenient and fast, and the use effect is good.

[0024] The above describes the use principle, characteristics and beneficial effects of the utility model. The above content can be understood by the related personnel in the art, and the above content does not limit the utility model, the above embodiment and the description of the specification describe the basic principle and characteristics of the utility model, under the premise of meeting the utility model concept, the utility model can also be variously changed and improved, and these improvements should fall within the scope of the utility model claimed.

Claims

1. A water quality monitoring stratified sampling device, comprising a sampling cylinder (1), wherein the sampling cylinder (1) has a holding cavity (2) inside, characterized in that: The outer wall of the sampling tube (1) is provided with a fixing frame (3), and a sliding groove (5) is provided on the fixing frame (3). The sampling tube (1) is provided with a water inlet (4). The outer wall of the fixing frame (3) is provided with a clearance hole, and a sampling control structure (6) is provided in the sliding groove (5) on the fixing frame (3). The lower end of the sampling tube (1) is provided with an assembly protrusion (7), and a positioning groove (8) is provided on the assembly protrusion (7). A connecting hole (9) is provided on the assembly protrusion (7). The upper end of the sampling tube (1) is provided with a positioning rod (10). Adjacent sampling tubes (1) are spliced ​​together, and the uppermost sampling tube (1) is provided with a handle structure (13) at its upper end.

2. The water quality monitoring stratified sampling device according to claim 1, characterized in that: The upper end of the sampling tube (1) is provided with a round hole (11), and a fixing screw (12) is provided in the round hole (11). The positioning rod (10) on the adjacent sampling tube (1) is inserted into the positioning groove (8).

3. The water quality monitoring stratified sampling device according to claim 2, characterized in that: The sampling control structure (6) includes a movable plate (601), a limiting block (602), a connecting rod (603), a through hole (604), a mounting groove (605), a filter assembly (606), a connecting groove (607), a threaded hole (608), and a clamping bolt (609). The limiting block (602) is fixed to the upper end of the movable plate (601), and the limiting block (602) is fixedly connected to the connecting rod (603). The through hole (604) and the mounting groove (605) are provided on the movable plate (601). 1) At the lower end of the upper movable plate (601), the filter assembly (606) is set in the mounting groove (605) at the lower end of the movable plate (601), and the filter assembly (606) is aligned with the through hole (604). The connecting groove (607) is opened at the lower end of the movable plate (601). The threaded hole (608) is set on the movable plate (601), and the threaded hole (608) is connected to the connecting groove (607). The tightening bolt (609) is threadedly connected in the threaded hole (608).

4. The water quality monitoring stratified sampling device according to claim 3, characterized in that: The filter assembly (606) includes a fixed frame (6061), a screw filter (6062), a plug-in post (6063), and a plug-in groove (6064). The screw filter (6062) is fixed on the fixed frame (6061), the plug-in post (6063) is installed on the inner side of the fixed frame (6061), and the plug-in groove (6064) is opened in the mounting groove (605) and is engaged with the plug-in post (6063).

5. A water quality monitoring stratified sampling device according to claim 4, characterized in that: The carrying structure (13) includes a sealing cover (1301), a sealing block (1302), a carrying rod (1303), and a stop (1304). The sealing cover (1301) is fixedly connected to the sealing block (1302), and the sealing block (1302) is provided with a strip groove and a screw hole. The carrying rod (1303) is fixedly connected to the stop (1304), and the carrying rod (1303) is installed on the upper surface of the sealing cover (1301).

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