Water sample collector for water quality detection
By introducing a micro-motor-driven arc-shaped scraper to clean the filter screen in the water sample collector for water quality testing, the problem of needing to clean the filter screen sequentially in the existing technology is solved, realizing automatic cleaning of the filter screen and reuse of samples, thus improving testing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI WEILV ENVIRONMENTAL PROTECTION CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-16
AI Technical Summary
Existing water quality testing water sample collectors require multiple arc-shaped filters to be cleaned sequentially after sampling before they can be reused, which reduces their practicality.
A water sample collector for water quality testing was designed. It uses a micro motor to drive an arc-shaped scraper to automatically clean the filter screen. A sealing gasket is used to cover the filter screen to prevent sample penetration, thus realizing automatic cleaning and reuse of the filter screen.
It improves the efficiency of water quality testing, enables convenient cleaning of the filter screen and reuse of samples, and enhances the practicality of the equipment.
Smart Images

Figure CN224365812U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water sample collection technology, specifically a water sample collector for water quality testing. Background Technology
[0002] With the development of society and the economy, scientific progress and the improvement of people's living standards, people's requirements for the quality of drinking water are constantly increasing, and water quality standards are also constantly developing and improving accordingly. Since the formulation of drinking water quality standards is related to various factors such as people's living habits, culture, economic conditions, and the level of scientific and technological development, the requirements for water quality are different. Testing refers to the use of specified methods to test the specified technical performance indicators of a certain object (gas, liquid, solid). Therefore, when testing water quality, sampling equipment is needed to take samples.
[0003] For example, Chinese patent CN214584310U discloses a water sample collector for water quality testing, including a side L-shaped plate, with a braked roller fixed to the bottom of the side L-shaped plate. The side of the side L-shaped plate has a groove, and a screw is rotatably mounted on the inner wall of the groove. A movable sleeve is threadedly connected to the surface of the screw, and a hollow plate with an internal hollow core is fixedly connected to the side of the movable sleeve via a connecting rod. Several collection tubes for collecting water samples are fixed to the side of the hollow plate, and a rotating and sealing assembly is located inside the hollow plate, which can seal the collection tubes after sampling.
[0004] The aforementioned water quality testing water sampler still has certain shortcomings. It accurately collects samples from multiple water layers at different depths and can promptly seal the collection tube after sampling to avoid the influence of surface water samples and floating impurities when the collection tube is removed, thus improving sampling efficiency and quality. However, after the water sample is retrieved, multiple arc-shaped filters need to be cleaned sequentially before reuse, which reduces its practicality. Therefore, this application proposes a water quality testing water sampler to solve the above problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a water sample collector for water quality testing, which has advantages such as easy cleaning of impurities on the outside of the filter screen, and solves the problem of needing to clean multiple arc-shaped filter screens sequentially before reuse.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a water quality testing water sample collector, including a sampling tube, wherein multiple partitions are vertically and evenly distributed inside the sampling tube, multiple arc-shaped filter screens are vertically and evenly distributed on the right side of the sampling tube, multiple valve bodies are vertically and evenly distributed on the front side of the sampling tube, and a cleaning mechanism for cleaning the arc-shaped filter screens is provided below the sampling tube.
[0007] Furthermore, a positioning column is vertically welded to the top of the sampling tube and at its center, and multiple partitions divide the inner cavity of the sampling tube into multiple sample storage chambers.
[0008] Furthermore, the sampling tube has multiple sample inlet slots on its right side that are connected to multiple sample storage chambers, and multiple arc-shaped filter screens are respectively fixed inside the multiple sample inlet slots.
[0009] Furthermore, the cleaning mechanism includes a micro motor fixed to the bottom of the sampling tube, a connecting column fixed to the outside of the output shaft of the micro motor, a connecting block fixed to the bottom end of the connecting column, a fixing column horizontally welded to the left side of the connecting block, a vertical column welded to the left end of the fixing column, and an arc-shaped scraper welded to the right side of the vertical column.
[0010] Furthermore, a waterproof protective cover is fixed to the bottom of the sampling tube, and the micro motor is located inside the waterproof protective cover.
[0011] Furthermore, the arc surface of the arc-shaped scraper is in movable contact with the outer side of the sampling cylinder, and the arc surface of the arc-shaped scraper has multiple sealing gaskets that are located on the same horizontal line as the multiple arc-shaped filter screens.
[0012] Furthermore, a scraper strip of the same height as the arc-shaped scraper is fixed at the right end of the arc-shaped scraper and near its front and rear ends. The multiple sealing gaskets can cover the multiple arc-shaped filter screens and are fitted together with the multiple arc-shaped filter screens.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0014] The water quality testing uses a water sampler. A micro-motor is activated, causing the arc-shaped scraper to rotate counter-clockwise around the outside of the sampling cylinder. Figure 1 As shown in the image, the liquid to be tested then enters the sampling cylinder through multiple arc-shaped filters. At this point, a micro motor is activated to move the arc-shaped scraper to the right side of the multiple arc-shaped filters, covering them. The sealing gasket prevents the sample from seeping out of the sampling cylinder. The water quality testing water sample collector is then lifted out of the water. The stored water samples can be retrieved through multiple valves on the front for subsequent water quality testing. After the collected water samples are retrieved, they can be reused, improving testing efficiency. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural view of the present invention;
[0016] Figure 2 This is a cross-sectional view of the structure of this utility model.
[0017] In the diagram: 1 Sampling cylinder, 2 Cleaning mechanism, 201 Micro motor, 202 Connecting column, 203 Connecting block, 204 Fixing column, 205 Vertical column, 206 Arc-shaped scraper, 3 Arc-shaped filter screen, 4 Positioning column, 5 Valve body, 6 Partition plate. Detailed Implementation
[0018] The technical solutions of the present 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 embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1 The water quality testing water sample collector in this embodiment includes a sampling tube 1. Multiple partitions 6 are vertically and evenly distributed inside the sampling tube 1. Multiple arc-shaped filter screens 3 are vertically and evenly distributed on the right side of the sampling tube 1. Multiple valve bodies 5 are vertically and evenly distributed on the front side of the sampling tube 1. A cleaning mechanism 2 for cleaning the arc-shaped filter screens 3 is provided below the sampling tube 1.
[0020] A positioning column 4 is vertically welded to the top of the sampling tube 1 and at its center. Multiple partitions 6 divide the inner space of the sampling tube 1 into multiple sample storage chambers. Multiple sample inlet slots communicating with the multiple sample storage chambers are opened on the right side of the sampling tube 1. Multiple arc-shaped filter screens 3 are fixed inside the multiple sample inlet slots respectively.
[0021] Understandably, multiple arc-shaped filters 3 can filter out external impurities and prevent them from entering the interior of the sampling tube 1.
[0022] Please see Figure 2 In this embodiment, the cleaning mechanism 2 includes a micro motor 201 fixed to the bottom of the sampling cylinder 1. A connecting column 202 is fixed to the outside of the output shaft of the micro motor 201. A connecting block 203 is fixed to the bottom end of the connecting column 202. A fixing column 204 is horizontally welded to the left side of the connecting block 203. A column 205 is welded to the left end of the fixing column 204. An arc-shaped scraper 206 is welded to the right side of the column 205. The positioning column 4 is clamped by the fixing device, which drives the water quality testing water sample collector to move downward until the water quality testing water sample collector is submerged in the water where the water quality needs to be tested. After moving to a suitable height, the micro motor 201 is started, so that the arc-shaped scraper 206 rotates around the outside of the sampling cylinder 1.
[0023] A waterproof protective cover is fixed to the bottom of the sampling cylinder 1. The micro motor 201 is located inside the waterproof protective cover. The arc surface of the arc-shaped scraper 206 is in contact with the outer side of the sampling cylinder 1. When the micro motor 201 is started, the arc-shaped scraper 206 rotates around the outer side of the sampling cylinder 1, making it rotate counterclockwise. Figure 1As shown in the diagram, the liquid to be tested then enters the sampling cylinder 1 through multiple arc-shaped filter screens 3. At this time, the micro motor 201 is activated to move the arc-shaped scraper 206 to the right side of the multiple arc-shaped filter screens 3, covering them. Multiple sealing pads are vertically distributed on the arc surface of the arc-shaped scraper 206, which are located at the same horizontal line as the multiple arc-shaped filter screens 3. The sealing pads can prevent the sampled liquid from seeping out of the sampling cylinder 1. At the right end of the arc-shaped scraper 206 and near its front and rear ends, there are scraper strips at the same height as the arc-shaped scraper 206. The multiple sealing pads can cover the multiple arc-shaped filter screens 3 and are set in close contact with them. The water quality testing water sample collector is lifted out of the water surface. The stored water samples can be taken out through the multiple valve bodies 5 on the front side for subsequent water quality testing. After the collected water samples are taken out, they can be reused, improving the testing efficiency.
[0024] Understandably, starting the micro motor 201 causes the arc-shaped scraper 206 to rotate around the outside of the sampling cylinder 1, turning it counterclockwise. Figure 1 As shown in the diagram, the liquid to be tested then enters the sampling cylinder 1 through multiple arc-shaped filter screens 3. At this time, the micro motor 201 is activated to move the arc-shaped scraper 206 to the right side of the multiple arc-shaped filter screens 3, covering them. The sealing gasket prevents the sample from seeping out of the sampling cylinder 1. The water quality testing water sample collector is then lifted out of the water. The stored water samples can be taken out through the multiple valve bodies 5 on the front side for subsequent water quality testing. After the collected water samples are taken out, they can be reused, improving the testing efficiency.
[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, any aspects not detailed in this utility model are well-known technologies to those skilled in the art.
[0026] The working principle of the above embodiments is as follows:
[0027] When the water quality testing water sampler is needed, the positioning column 4 is clamped by the fixing device, and the water quality testing water sampler is moved downward until it is submerged in the water to be tested. After moving to the appropriate height, the micro motor 201 is started, causing the arc-shaped scraper 206 to rotate around the outside of the sampling cylinder 1, making it rotate counterclockwise. Figure 1As shown in the diagram, the liquid to be tested then enters the sampling cylinder 1 through multiple arc-shaped filter screens 3. At this time, the micro motor 201 is activated to move the arc-shaped scraper 206 to the right side of the multiple arc-shaped filter screens 3, covering them. The sealing gasket prevents the sample from seeping out of the sampling cylinder 1. The water quality testing water sample collector is then lifted out of the water. The stored water samples can be taken out through the multiple valve bodies 5 on the front side for subsequent water quality testing. After the collected water samples are taken out, they can be reused, improving the testing efficiency.
[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A water sampler for water quality testing, comprising a sampling tube (1), characterized in that: The sampling tube (1) has multiple partitions (6) evenly distributed vertically inside. Multiple arc-shaped filter screens (3) are evenly distributed vertically on the right side of the sampling tube (1). Multiple valve bodies (5) are evenly distributed vertically on the front side of the sampling tube (1). A cleaning mechanism (2) for cleaning the arc-shaped filter screens (3) is provided below the sampling tube (1).
2. The water sample collector for water quality testing according to claim 1, characterized in that: A positioning column (4) is vertically welded to the top of the sampling tube (1) and at its center. Multiple partitions (6) divide the inner cavity of the sampling tube (1) into multiple sample storage chambers.
3. A water sample collector for water quality testing according to claim 2, characterized in that: The sampling tube (1) has multiple sample inlet slots on its right side that are connected to multiple sample storage chambers, and multiple arc-shaped filter screens (3) are respectively fixed inside the multiple sample inlet slots.
4. A water sample collector for water quality testing according to claim 1, characterized in that: The cleaning mechanism (2) includes a micro motor (201) fixed to the bottom of the sampling tube (1). A connecting column (202) is fixed to the outside of the output shaft of the micro motor (201). A connecting block (203) is fixed to the bottom end of the connecting column (202). A fixing column (204) is horizontally welded to the left side of the connecting block (203). A column (205) is welded to the left end of the fixing column (204). An arc-shaped scraper (206) is welded to the right side of the column (205).
5. A water sample collector for water quality testing according to claim 4, characterized in that: The bottom of the sampling tube (1) is fixed with a waterproof protective cover, and the micro motor (201) is located inside the waterproof protective cover.
6. A water sample collector for water quality testing according to claim 4, characterized in that: The arc surface of the arc-shaped scraper (206) is in contact with the outer side of the sampling tube (1), and the arc surface of the arc-shaped scraper (206) has multiple sealing gaskets that are located on the same horizontal line as the multiple arc-shaped filter screens (3).
7. A water sample collector for water quality testing according to claim 6, characterized in that: At the right end of the arc-shaped scraper (206) and near its front and rear ends, there are scraper strips of the same height as the arc-shaped scraper (206). The multiple sealing gaskets can cover the multiple arc-shaped filter screens (3) and are fitted together with the multiple arc-shaped filter screens (3).