Surface water sample collector

Abstract

The utility model relates to a surface water sample collector, which belongs to the technical field of water sample collection, and comprises a sampling assembly, the sampling assembly comprises a collector, the collector is communicated with a collecting pipe, one end of the collecting pipe far away from the collector is communicated with a filter assembly, the filter assembly comprises an inner cylinder communicated with the collecting pipe, and a plurality of filter screens are mounted on the inner cylinder. The lower end of the inner cylinder is rotatably connected with an outer cylinder, a plurality of openings are formed in the outer cylinder, the inner side wall of the outer cylinder is fixedly connected with a plurality of scraping strips, the lower end of the inner cylinder is provided with a transmission assembly used for driving the outer cylinder to rotate, and the upper end of the inner cylinder is fixedly connected with an anti-gathering assembly used for preventing impurities from gathering. The outer cylinder is driven by negative pressure to rotate by a certain angle, so that the originally shielded filter screen is opened, continuous sampling is realized, and impurities blocked on the filter screen are cleaned due to rotation of the outer cylinder.

Description

Technical Field

[0001] This utility model relates to the field of water sampling technology, specifically a surface water sampling device. Background Technology

[0002] A water sampler is a device or tool used to collect representative water samples from a body of water. It is widely used in environmental monitoring, water quality analysis, and scientific research. It can collect water samples from different depths or locations and ensure the representativeness and accuracy of the samples for subsequent physical, chemical, or biological analysis.

[0003] Chinese utility model patent CN221006870U discloses a water sample collector, which includes a water sample collector. The outer wall of the water sample collector is provided with a component for facilitating the removal of impurities. The component for facilitating the removal of impurities includes a first connecting sleeve disposed on the outer wall of the water sample collector. A connecting plate is disposed around the first connecting sleeve. A first telescopic rod is disposed on one side of the connecting plate. A connecting block is disposed at one end of the first telescopic rod. An adjusting tube is connected to the lower end of the connecting block. A movable ball is connected to the bottom end of the adjusting tube.

[0004] During the use of water samplers, the inlet pipe port of the water sampler is prone to blockage during sampling. This not only affects the water sample collection efficiency, but also leads to errors in water sample detection during processing. The blockage clearing effect of the aforementioned patent is not good and the efficiency is low. Therefore, we propose a surface water sampler. Utility Model Content

[0005] The purpose of this invention is to provide a surface water sampler to solve the problems mentioned in the background art, such as the water pipes of the sampler being easily clogged and the sampling efficiency being low.

[0006] The technical solution of this utility model is:

[0007] It includes a sampling component, which includes a collector body, a collection tube connected to the collector body, and a filter component connected to the end of the collection tube away from the collector body.

[0008] The filtration assembly includes an inner cylinder connected to the collection tube, with multiple filter screens installed on the inner cylinder. An outer cylinder is rotatably connected to the lower end of the inner cylinder, with multiple openings drilled in the outer cylinder. Multiple scraper strips are fixedly connected to the inner side wall of the outer cylinder. A transmission assembly for driving the outer cylinder to rotate is installed at the lower end of the inner cylinder, and an anti-aggregation assembly for preventing impurities from accumulating is fixedly connected to the upper end of the inner cylinder.

[0009] Furthermore, the transmission assembly includes a shift plug slidably connected inside the inner cylinder, a guide cylinder fixedly connected to the lower side wall of the shift plug, a guide rod inserted inside the guide cylinder, and the guide rod rotatably connected to the lower side wall of the inner cylinder, a groove being cut on the guide rod, and sliding rods fixedly connected to the inner walls on both the front and rear sides of the guide cylinder, with the sliding rods located inside the grooves, and a spring fixedly connected between the shift plug and the inner cylinder.

[0010] By setting up a transmission component, a negative pressure is generated inside the inner cylinder when the filter screen becomes clogged. This negative pressure is then used to move the shift plug, which in turn moves the guide cylinder. As the guide cylinder moves, the guide rod can be rotated at a certain angle via a sliding rod, thus opening the previously blocked filter screen and enabling automatic sampling to continue.

[0011] Furthermore, the anti-aggregation component includes a water delivery cylinder connected to the upper end of the inner cylinder, and the water delivery cylinder is connected to the collection pipe. A fixed plate is fixedly connected inside the water delivery cylinder, and a rotating rod is rotatably connected to the fixed plate. A blade is fixedly connected to the upper end of the rotating rod, and a spiral disk is fixedly connected to the rotating rod.

[0012] By setting up an anti-aggregation component, the water flow can be used to drive the blades to rotate. During the rotation of the blades, the rotating rod drives the spiral disk to rotate, which can push the impurities that enter the inner cylinder towards the top of the inner cylinder, preventing the impurities inside the inner cylinder from accumulating and then being discharged together, causing blockage of the collection tube.

[0013] This utility model provides an improved surface water sampling device, which has the following improvements and advantages compared with the prior art:

[0014] Firstly, this utility model can utilize negative pressure to rotate the outer cylinder at a certain angle during the sampling process when the inner cylinder becomes clogged with impurities. This opens the previously blocked filter screen, allowing sampling to continue. At the same time, the impurities clogged on the filter screen are also cleared by the rotation of the outer cylinder.

[0015] Secondly, this utility model can effectively prevent the accumulation of small impurities inside the inner cylinder from causing secondary blockage through the rotation of the blades. Attached Figure Description

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional perspective view of the present invention;

[0018] Figure 2 This is a structural schematic diagram of the filter component in this utility model;

[0019] Figure 3 This is a structural schematic diagram of the anti-aggregation component in this utility model;

[0020] Figure 4This is a structural schematic diagram of the transmission component in this utility model;

[0021] Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Sampling component; 101. Collector body; 102. Collection tube;

[0024] 2. Filter assembly; 201. Inner cylinder; 202. Filter screen; 203. Outer cylinder; 204. Opening; 205. Scraper bar;

[0025] 3. Transmission assembly; 301. Shifting plug; 302. Guide cylinder; 303. Guide rod; 304. Slide groove; 305. Slide rod; 306. Spring;

[0026] 4. Anti-aggregation component; 401. Water delivery cylinder; 402. Fixing plate; 403. Rotating rod; 404. Blade; 405. Spiral disc. Detailed Implementation

[0027] The following will be combined with the appendix Figures 1 to 5 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0028] This utility model provides an improved surface water sampling device, such as... Figure 1 - Figure 5 As shown, the sampling component 1 includes a collector body 101. Inside the collector body 101, there is a collection tank for water storage. Inside the collection tank, there is a collection pump connected to the collection pipe 102. The collection tank and collection pump inside the collector body 101 are not shown in the figure. Their structure and principle are existing technologies and will not be described in detail here. The collection pipe 102 is connected to the collector body 101. The end of the collection pipe 102 away from the collector body 101 is connected to the filter component 2.

[0029] The filter assembly 2 includes an inner cylinder 201 that communicates with the collection tube 102. Multiple filter screens 202 are installed on the inner cylinder 201. An outer cylinder 203 is rotatably connected to the lower end of the inner cylinder 201. Multiple openings 204 are cut into the outer cylinder 203. Multiple scraper strips 205 are fixedly connected to the inner side wall of the outer cylinder 203. A transmission assembly 3 for driving the outer cylinder 203 to rotate is installed at the lower end of the inner cylinder 201. An anti-aggregation assembly 4 for preventing impurities from accumulating is fixedly connected to the upper end of the inner cylinder 201.

[0030] In this embodiment: When in use, the sampling pump inside the sampler body 101 is activated, so that the sampling pipe 102 can draw water samples. At the same time, the water will enter the inner cylinder 201 after being filtered by the filter screen 202, so as to prevent large impurities in the water from causing pipe blockage.

[0031] In the above embodiments, to achieve automatic cleaning and continued sampling when the filter screen 202 becomes clogged, the following method can be used:

[0032] The transmission assembly 3 includes a shift plug 301 slidably connected inside the inner cylinder 201. A guide cylinder 302 is fixedly connected to the lower side wall of the shift plug 301. A guide rod 303 is inserted into the guide cylinder 302 and is rotatably connected to the lower side wall of the inner cylinder 201. A groove 304 is cut on the guide rod 303. Slide rods 305 are fixedly connected to the inner walls of the front and rear sides of the guide cylinder 302 and are located inside the grooves 304. A spring 306 is fixedly connected between the shift plug 301 and the inner cylinder 201.

[0033] It is worth noting that multiple limiting strips are fixedly connected to the inner wall of the inner cylinder 201 to limit the movement of the plug 301. The limiting strips are as follows: Figure 4 As shown, these limiting strips are all designed to prevent rotation during the movement of the shift plug 301.

[0034] In a preferred embodiment, when the filter screen 202 becomes clogged due to excessive impurities, the sampling pump continues to generate power, creating a negative pressure inside the inner cylinder 201. This negative pressure exerts a pulling force on the displacement plug 301. When this pulling force exceeds the pulling force of the spring 306, the displacement plug 301 moves. As the displacement plug 301 moves upward through the slide rod 305 inside the guide cylinder 302, the guide rod 303, guided by the slide groove 304, drives the outer cylinder 203 to rotate. During this rotation, the previously blocked filter screen 202 opens, allowing for continued sampling, while the filter screen clogged with impurities is removed. Impurities on the screen 202 are also cleaned by the scraper 205 when the outer cylinder 203 rotates. At the same time, when the blocked filter screen 202 is opened, the negative pressure inside the inner cylinder 201 decreases. At this time, the shift plug 301 will reset under the pull of the spring 306. Since the trajectory of the slide rod 305 when it resets and moves through the guide cylinder 302 matches the trajectory of the slide groove 304, the outer cylinder 203 will not rotate. When the blockage occurs again, the inner cylinder 201 will generate negative pressure again, and the outer cylinder 203 will be rotated again through the transmission component 3, so that multiple filter screens 202 can be used and cleaned alternately.

[0035] refer to Figure 4 and Figure 5In a preferred embodiment, the anti-aggregation component 4 includes a water delivery cylinder 401 connected to the upper end of the inner cylinder 201, and the water delivery cylinder 401 is connected to the collection pipe 102. A fixing plate 402 is fixedly connected inside the water delivery cylinder 401, and a rotating rod 403 is rotatably connected to the fixing plate 402. A blade 404 is fixedly connected to the upper end of the rotating rod 403, and a spiral disk 405 is fixedly connected to the rotating rod 403.

[0036] In this embodiment: During the process of collecting water samples by the collection tube 102, the water flow will drive the blade 404 to rotate, which in turn causes the blade 404 to drive the spiral disk 405 to rotate through the rotating rod 403. The spiral disk 405 pushes the fine impurities inside the inner cylinder 201 that have been filtered by the filter screen 202 to the upper end of the inner cylinder 201 so that they can be sucked in by the collection tube 102, thus avoiding the accumulation of impurities in the inner cylinder 201 and causing secondary blockage.

[0037] Working principle: When using this device, firstly, the operator puts the filter component 2 into the water, then starts the collection pump in the collector body 101. At the same time, the water will enter the inner cylinder 201 after being filtered by the filter screen 202 to prevent large impurities in the water from causing pipe blockage. Finally, it will be absorbed into the collection tank by the collection pipe 102.

[0038] When the filter screen 202 becomes clogged due to excessive impurities, the sampling pump continues to generate power, which will create a negative pressure inside the inner cylinder 201. This negative pressure will exert a pulling force on the shift plug 301. When this pulling force is greater than the pulling force of the spring 306, the shift plug 301 will move. As the shift plug 301 moves upward through the slide rod 305 in the guide cylinder 302, the guide rod 303 can drive the outer cylinder 203 to rotate due to the guidance of the slide groove 304. When the outer cylinder 203 rotates, the filter screen 202 that was previously blocked will be opened, allowing for continued sampling. At the same time, the impurities that were clogged on the filter screen 202 are also cleaned by the scraper 205 when the outer cylinder 203 rotates.

[0039] At the same time, when the shielded filter screen 202 is opened, the negative pressure inside the inner cylinder 201 decreases. At this time, the shift plug 301 will reset under the pull of the spring 306. Since the trajectory of the slide rod 305 when it resets and moves through the guide cylinder 302 matches the trajectory of the slide groove 304, the outer cylinder 203 will not rotate.

[0040] During the process of collecting water samples by the collection tube 102, the water flow will drive the blades 404 to rotate, which in turn will drive the spiral disk 405 to rotate through the rotating rod 403. The spiral disk 405 will push the fine impurities inside the inner cylinder 201 that have been filtered by the filter screen 202 to the upper part of the inner cylinder 201 so that they can be sucked in by the collection tube 102, thus avoiding the accumulation of impurities in the inner cylinder 201 and causing secondary blockage.

[0041] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A surface water water sample collector comprising a sampling assembly (1), characterized in that: The sampling assembly (1) comprises a collector body (101), a collection pipe (102) is communicated on the collector body (101), and a filter assembly (2) is communicated at the end of the collection pipe (102) away from the collector body (101); The filter assembly (2) comprises an inner cylinder (201) communicated with the collection pipe (102), a plurality of filter screens (202) are installed on the inner cylinder (201), the outer cylinder (203) is rotationally connected to the lower end of the inner cylinder (201), a plurality of openings (204) are dug on the outer cylinder (203), a plurality of scraping strips (205) are fixedly connected to the inner side wall of the outer cylinder (203), the transmission assembly (3) for driving the outer cylinder (203) to rotate is installed at the lower end of the inner cylinder (201), and the anti-aggregation assembly (4) for preventing impurities from aggregating is fixedly connected to the upper end of the inner cylinder (201).

2. A surface water sampler according to claim 1, characterised in that: The transmission assembly (3) comprises a shift plug (301) slidingly connected in the inner cylinder (201), and the lower side wall of the shift plug (301) is fixedly connected with a guide cylinder (302).

3. A surface water sampler according to claim 2, wherein: The guide rod (303) is inserted into the guide cylinder (302), and the guide rod (303) is rotationally connected with the lower side wall of the inner cylinder (201).

4. A surface water sampler according to claim 3, wherein: The guide rod (303) is dug with a sliding groove (304), the inner walls of the front and rear sides of the guide cylinder (302) are fixedly connected with sliding rods (305), and the sliding rods (305) are located in the sliding groove (304), and the spring (306) is fixedly connected between the shift plug (301) and the inner cylinder (201).

5. A surface water sampler according to claim 4, wherein: The anti-aggregation assembly (4) comprises a water conveying cylinder (401) communicated on the upper end of the inner cylinder (201), and the water conveying cylinder (401) is communicated with the collection pipe (102).

6. A surface water sampler according to claim 5, wherein: The fixed plate (402) is fixedly connected in the water conveying cylinder (401), the rotating rod (403) is rotationally connected on the fixed plate (402), the blade (404) is fixedly connected to the upper end of the rotating rod (403), and the spiral disc (405) is fixedly connected to the rotating rod (403).

7. A surface water sampler according to claim 6, wherein: ​

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