Floatable water quality real-time monitoring sampler and matching filter structure

Abstract

This utility model provides a floatable real-time water quality monitoring sampler and its matching filter structure, relating to the field of water quality testing and sampling technology. It includes an annular float with a retaining ring fixedly installed on its inner circumference. A cross-shaped retaining frame is welded to the inner circumference of the retaining ring. A detachable sampling tube is inserted through the center of the cross-shaped retaining frame. An installation ring is welded to the bottom end of the sampling tube. Multiple water inlet grooves are formed through the top portion of the mounting ring's circumferential wall. A blocking plate is slidably installed inside the water inlet groove by a spring push. The blocking plate abuts against a circular water inlet formed through the bottom wall of the mounting ring, sealing the circular water inlet. By combining a pull rope, a traction rope, and a crank-slider mechanism, this utility model achieves remote sampling of water at a specific location using only a simple, purely mechanical structure. Compared to existing technologies, it has lower costs and is easier to market.

Description

Technical Field

[0001] This utility model relates to the field of water quality testing and sampling technology, and in particular to a floatable real-time water quality monitoring sampler and its matching filter structure. Background Technology

[0002] In the field of water environment monitoring, there is an urgent need for floating and mobile water quality monitoring and sampling equipment in scenarios such as lakes, rivers, and small open water areas due to the lack of fixed monitoring stations and the difficulty of manual access.

[0003] Existing sampling devices suffer from structural design flaws, making it impossible or difficult to conduct remote sampling of water bodies far from river or lake shores. Although some sampling devices can achieve remote sampling, most of them rely on electric actuators in conjunction with automated controllers. Sampling solutions consisting of electric actuators and automated controllers are costly and not conducive to market promotion. Utility Model Content

[0004] In view of this, the present invention provides a floating water quality real-time monitoring sampler and a matching filter structure to solve the problem that existing samplers cannot or are difficult to remotely sample water bodies far from the river or lake.

[0005] The technical solution proposed by this utility model is as follows: a floatable real-time water quality monitoring sampler and a matching filter structure, specifically including an annular float, a retaining ring fixedly installed on the inner circumference of the annular float, and a cross-shaped retaining frame welded to the inner circumference of the retaining ring; a detachable sampling tube is inserted through the center of the cross-shaped retaining frame, and an installation ring is welded to the bottom end of the sampling tube. Multiple water inlet grooves are opened through the top part of the peripheral wall of the installation ring, and a plug plate is slidably installed inside the water inlet groove by means of spring push. The plug plate is connected to the bottom wall of the installation ring through... The circular inlet is designed to abut against and seal the circular inlet; a vertical sliding rod is slidably installed at the center of the cross-shaped retainer, and a bushing is slidably installed in the space between the cross-shaped retainer and the retaining ring. A connecting rod is rotatably connected between the bushing and the L-shaped transmission rod; a pulling rope is tightly connected to the bushing, and a traction rope is tightly connected to the outer circumference of the annular float; a short sliding shaft is welded to the center of the bottom end of the blocking plate, and an L-shaped transmission rod is fixedly connected to the bottom end of the short sliding shaft. The L-shaped transmission rod is fixedly connected to the vertical sliding rod and is detachable.

[0006] Furthermore, a sealing gasket is adhered and fixed to the top of the blocking plate, and the sealing gasket is squeezed between the blocking plate and the bottom wall of the sampling cylinder.

[0007] Furthermore, a positioning ring is welded to the center of the bottom opening of the mounting ring, and the short sliding shaft slides through and slides with the positioning ring. The spring that pushes the blocking disc is mounted on the short sliding shaft and is compressed and clamped between the blocking disc and the positioning ring.

[0008] Furthermore, the top part of the L-shaped transmission rod is threaded with a connecting bolt, and the first end of the connecting bolt is threadedly connected to the bottom end of the vertical slide rod.

[0009] Furthermore, a filter screen assembly adapted to its shape is embedded in the circular water inlet, and a blocking plate covers the filter screen assembly.

[0010] Furthermore, the cross-shaped retainer is integrally formed from a mounting ring and four radial support plates, and the outer circumference of the mounting ring is integrally formed with a square rod sleeve.

[0011] Furthermore, the vertical sliding rod and the square rod sleeve are slidably connected, the sampling cylinder and the mounting ring are assembled through the ring, and two symmetrically distributed tightening bolts are screwed through the threaded part of the mounting ring. The head end of the tightening bolt is in contact with the top of the sampling cylinder.

[0012] The floatable real-time water quality monitoring sampler and its matching filter structure provided by this utility model have the following beneficial effects: I. By combining the use of a pull rope, a traction rope, and a crank-slider mechanism, this utility model achieves remote sampling of water at a specific location using only a simple, purely mechanical structure. Compared to existing remote sampling solutions that rely on expensive electric actuators and automated controllers, this method is lower in cost and easier to promote in the market.

[0013] 2. After sampling, release the pulling rope to remove the downward holding force indirectly acting on the plug plate through the bushing. This allows the plug plate to automatically slide up and reset against the closed circular inlet, relying on the counter-pull force of the short sliding shaft and the upper spring. This temporarily retains the water sample in the sampling tube, preventing invalid water from the outside from entering the sampling tube through the circular inlet and mixing with the valid water at the specific location, thus causing the sampled water to become invalid. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0016] In the attached diagram: Figure 1 A schematic diagram of the overall structure of this utility model is shown; Figure 2 This diagram shows a top-side view of the annular float in this invention. Figure 3 This diagram shows a bottom-side view of the annular float in this invention. Figure 4A schematic diagram showing the disassembled state of the retaining ring and sampling cylinder in this utility model is shown; Figure 5 A schematic diagram showing the installation position of the filter assembly in this utility model is provided. Figure 6 A schematic diagram of the mounting ring in this utility model is shown; Figure 7 A schematic diagram of the internal structure of the mounting ring in this utility model is shown; Figure 8 This diagram shows a bottom-side view of the blocking disc in this invention.

[0017] List of reference numerals in the attached diagram: 1. Annular float; 101. Pull rope; 102. Traction rope; 2. Keep the circle open; 3. Cross-shaped retainer; 301. Vertical support plate; 302. Mounting ring; 303. Square rod sleeve; 304. Vertical slide rod; 3041. Connecting rod; 305. Tightening bolt; 306. Horizontal guide shaft; 307. Bushing; 4. Sampling cylinder; 401. Mounting ring; 4011. Water inlet tank; 4012. Positioning ring; 402. Plug plate; 4021. Short sliding shaft; 4022. Sealing gasket; 403. L-shaped transmission rod; 4031. Connecting bolt; 404. Filter screen assembly. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Please refer to Figures 1 to 8 Example 1: This embodiment proposes a floatable real-time water quality monitoring sampler and its supporting filtration structure, including an annular float 1. A retaining ring 2 is fixedly installed on the inner circumference of the annular float 1, and a cross-shaped retaining frame 3 is welded to the inner circumference of the retaining ring 2. A detachable sampling tube 4 is inserted through the center of the cross-shaped retaining frame 3. A mounting ring 401 arranged concentrically with the sampling tube 4 is welded to the bottom end of the sampling tube 4. Multiple surrounding water inlet grooves 4011 are opened through the top part of the peripheral wall of the mounting ring 401. A blocking plate 402 is slidably installed inside the water inlet groove 4011 by means of spring push. The blocking plate 402 abuts against the circular water inlet that is opened through the bottom wall of the mounting ring 401. It is used to seal the circular water inlet by contact; a vertical slide rod 304 is slidably installed at the center of the cross-shaped retainer 3; a bushing 307 is slidably installed in the space between the cross-shaped retainer 3 and the retaining ring 2; a connecting rod 3041 is rotatably connected between the bushing 307 and the top of the L-shaped transmission rod 403; a pulling rope 101 is tightly connected to the bushing 307; a traction rope 102 is tightly connected to the outer circumference of the annular float 1; a short sliding shaft 4021 is welded to the center of the bottom end of the blocking plate 402; an L-shaped transmission rod 403 is fixedly connected to the bottom end of the short sliding shaft 4021; the L-shaped transmission rod 403 is fixedly connected to the vertical slide rod 304 and is detachable.

[0020] Implementation 2: This embodiment is based on Implementation 1, but with the following additions: This embodiment includes a sealing gasket 4022 glued and fixed to the top of the blocking plate 402, the sealing gasket 4022 being squeezed between the blocking plate 402 and the bottom wall of the sampling cylinder 4; a positioning ring 4012 is welded to the center of the bottom opening of the mounting ring 401, the short sliding shaft 4021 and the positioning ring 4012 are slidably engaged, and the spring that pushes the blocking plate 402 is fitted on the short sliding shaft 4021 and compressed and clamped between the blocking plate 402 and the positioning ring 4012.

[0021] Preferably, the top part of the L-shaped transmission rod 403 is threaded with a connecting bolt 4031, and the first part of the connecting bolt 4031 is threadedly connected to the bottom part of the vertical slide rod 304.

[0022] Preferably, a filter screen assembly 404 adapted to the shape of the circular water inlet is embedded in the circular water inlet, and a blocking plate 402 blocks and covers the filter screen assembly 404.

[0023] Preferably, the cross-shaped retainer 3 is integrally formed from a mounting ring 302 and four radial support plates 301, and the outer circumference of the mounting ring 302 is integrally formed with a square rod sleeve 303.

[0024] Preferably, the vertical slide bar 304 and the square rod sleeve 303 are slidably connected, the sampling cylinder 4 and the mounting ring 302 are slidably assembled, and the peripheral wall of the mounting ring 302 is threaded with two symmetrically distributed tightening bolts 305, the head end of the tightening bolt 305 is pressed and abutted against the sampling cylinder 4.

[0025] Preferably, a horizontal guide shaft 306 is welded between the outer periphery of the mounting ring 302 and the inner periphery of the retaining ring 2, and the bushing 307 slides with the horizontal guide shaft 306.

[0026] The working principle, specific details, implementation steps, functions and interrelationships of the features in the above embodiments, and the roles these features play in realizing this technical solution will be described and explained in detail below: In use, the sampler floats on the surface of the water body to be sampled, away from the shore, via an annular float 1. The sampling tube 4 is inserted below the water surface for water sampling. The blocking plate 402 is abutted against the sealed circular inlet by the sealing gasket 4022 to prevent invalid water samples from entering the sampling tube 4 through the circular inlet when sampling is not needed, thus preventing interference with subsequent normal and effective sampling. The blocking plate 402 is kept in a sealed state by a spring push on the short sliding shaft 4021. The L-shaped transmission rod 403 is fixedly connected to the short sliding shaft 4021. Sliding the L-shaped transmission rod 403 downwards can drive the short sliding shaft 4021 downwards and control the blocking plate 402 to separate and open from the circular inlet. After the circular inlet is opened, the water body to be sampled flows into the sampling tube 4 through the inlet trough 4011 and the circular inlet in sequence to complete the sampling of the water body at any time or in real time. After sampling is completed, the L-shaped transmission rod 403 is released and the operation is released. The sliding holding force on the blocking plate 402 causes the blocking plate 402 to automatically slide upward against the circular water inlet under the counter-push of the spring on the short sliding shaft 4021 (the spring is compressed when the blocking plate 402 is driven to slide downward). This temporarily seals the sampled water in the sampling tube 4. Finally, the sampler located on the water surface away from the shore is pulled back to the shore by the traction rope 102, and the tightening bolt 305 is loosened to remove the sampling tube 4 from the mounting ring 302 and transfer it to the water quality monitoring instrument for further testing and analysis. It is worth noting that the L-shaped transmission rod 403 and the vertical sliding rod 304 are fixedly connected by the connecting bolt 4031. When removing the sampling tube 4, the connecting bolt 4031 needs to be loosened by rotating to disconnect the L-shaped transmission rod 403 and the vertical sliding rod 304. This is to prevent the L-shaped transmission rod 403 and the vertical sliding rod 304 from remaining in a fixed connection state, which would hinder the normal extraction and disassembly of the sampling tube 4.

[0027] The vertical slide rod 304, connecting rod 3041, and bushing 307 are connected to form a modified crank-slider mechanism. Through this mechanism, sliding the bushing 307 towards or away from the mounting ring 302 drives the vertical slide rod 304, L-shaped transmission rod 403, and plug 402 to slide up and down, controlling the plug 402 to contact or separate from the circular inlet, thus opening and closing the circular inlet. A person can stand at the water's edge and pull the bushing 307 towards the mounting ring 302 using the pull rope 101. The drive control plate 402 slides down to open the circular inlet for sampling. After sampling, the pull rope 101 is released to remove the downward holding force indirectly acting on the plate 402 through the bushing 307. This allows the plate 402 to automatically slide up and reset, and close the circular inlet, relying on the counter-thrust of the short sliding shaft 4021 and the upper spring. This temporarily retains the water sample in the sampling tube 4, preventing invalid water from the outside from entering the sampling tube 4 through the circular inlet and mixing with the valid water at a specific location, thus preventing the sampled water from becoming invalid.

[0028] By combining the pull rope 101, the traction rope 102, and the crank-slider mechanism, this utility model achieves remote sampling of water at a specific location using only a simple, purely mechanical structure. Compared to existing remote sampling solutions that rely on expensive electric actuators and automated controllers, this method is lower in cost and easier to market.

[0029] Both the pull rope 101 and the traction rope 102 are connected to a wristband at their ends. When not in use, the wristband should be fixed to the water's edge with a nailing tool to prevent the pull rope 101 and the traction rope 102 from being dragged into the water by the annular float 1, which would cause the restraint and limiting of the sampler to fail, resulting in the sampler drifting away with the water flow and being lost, causing property damage.

[0030] It is worth noting that electric actuators generally consist of an electric motor and a mechanical actuator driven by the electric motor, while automation controllers include PLCs, host computers, etc.

[0031] The following points should be noted in this article: 1. The accompanying drawings of this utility model embodiment only involve the structure involved in this utility model embodiment; other structures can refer to general designs.

[0032] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0033] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A floating water quality real-time monitoring sampler and its matching filter structure, including an annular float (1), wherein a retaining ring (2) is fixedly installed on the inner circumference of the annular float (1), and a cross-shaped retaining frame (3) is welded to the inner circumference of the retaining ring (2). characterized in that A detachable sampling tube (4) is inserted through the center of the cross-shaped retainer (3). A mounting ring (401) is welded to the bottom end of the sampling tube (4). Multiple water inlet grooves (4011) are opened through the top part of the peripheral wall of the mounting ring (401). A blocking plate (402) is slidably installed inside the water inlet groove (4011) in the form of a spring push. The blocking plate (402) abuts against the circular water inlet that is opened through the bottom wall of the mounting ring (401) to block the circular water inlet. A vertical sliding rod (304) is slidably installed at the center of the cross-shaped retainer (3). A bushing (307) is slidably installed in the space between the frame (3) and the retaining ring (2). A connecting rod (3041) is rotatably connected between the bushing (307) and the L-shaped transmission rod (403). A pulling rope (101) is fastened to the bushing (307), and a traction rope (102) is fastened to the outer periphery of the annular float (1). A short sliding shaft (4021) is welded to the center of the bottom end of the stop plate (402). An L-shaped transmission rod (403) is fixedly connected to the bottom end of the short sliding shaft (4021). The L-shaped transmission rod (403) is fixedly connected to the vertical sliding rod (304) and is detachable.

2. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 1, characterized in that, A sealing gasket (4022) is glued and fixed to the top of the plug (402), and the sealing gasket (4022) is squeezed between the plug (402) and the bottom wall of the sampling cylinder (4).

3. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 1, characterized in that, A positioning ring (4012) is welded to the center of the bottom opening of the mounting ring (401). The short sliding shaft (4021) and the positioning ring (4012) slide through each other. The spring that pushes the blocking plate (402) is mounted on the short sliding shaft (4021) and is compressed and clamped between the blocking plate (402) and the positioning ring (4012).

4. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 1, characterized in that, The top part of the L-shaped transmission rod (403) is threaded with a connecting bolt (4031), and the first part of the connecting bolt (4031) is threadedly connected to the bottom part of the vertical slide rod (304).

5. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 1, characterized in that, The circular inlet is fitted with a filter assembly (404) that is adapted to its shape, and a blocking plate (402) blocks and covers the filter assembly (404).

6. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 1, characterized in that, The cross-shaped retainer (3) is integrally formed from a mounting ring (302) and four radial support plates (301), and the outer circumference of the mounting ring (302) is integrally formed with a square rod sleeve (303).

7. The floatable real-time water quality monitoring sampler and its matching filter structure according to claim 6, characterized in that, The vertical sliding rod (304) and the square rod sleeve (303) are slidably connected, and the sampling cylinder (4) and the mounting ring (302) are assembled through the ring. The circumferential wall of the mounting ring (302) is threaded with two symmetrically distributed tightening bolts (305). The head end of the tightening bolt (305) is pressed against the sampling cylinder (4).

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