A wastewater discharge sample collection device for environmental protection engineering

Abstract

This utility model relates to the technical field of wastewater discharge sample collection devices for environmental protection engineering, and discloses a wastewater discharge sample collection device for environmental protection engineering, including a wastewater collection suction cylinder. The upper surface of the wastewater collection suction cylinder is connected to a threaded mounting cover by threads. The upper end of the threaded mounting cover is provided with a protruding tube opening. An operating rod is slidably connected to the inner surface of the protruding tube opening. A suction piston block is fixedly connected to the bottom of the operating rod. The lower surface of the wastewater collection suction cylinder is provided with a suction protruding tube opening. The end face of the operating rod is provided with a threaded protrusion. The outer surface of the threaded protrusion is connected to an extension external rod by threads. The inner surface of the protruding tube opening is connected to a threaded protruding tube opening by threads. The threaded protruding tube opening is located on the lower end surface of the extension external rod. By adopting a detachable circular cylinder suction structure, it has strong sealing performance, can be equipped with external extension components, is easy to extend and retract, has a simple mechanism, and is easy to operate.

Description

Technical Field

[0001] This utility model relates to the technical field of wastewater discharge sample collection devices for environmental protection engineering, specifically a wastewater discharge sample collection device for environmental protection engineering. Background Technology

[0002] Wastewater testing is an environmental protection test that quantitatively analyzes water samples to determine the presence of harmful components and trace the source of the wastewater. By monitoring wastewater, we can effectively control and prevent water pollution and ensure the safety of water sources. Comprehensive water quality testing is required, including sensory characteristics, physical indicators, inorganic non-metallic indicators, organic pollutant indicators, and biochemical oxygen demand (BOD). These indicators provide comprehensive information about wastewater quality. Wastewater sampling refers to the process of collecting representative water samples from wastewater bodies (such as domestic sewage, industrial wastewater, surface runoff, and wastewater treatment plant influent / effluent) at specific locations, times, or time periods, according to prescribed technical specifications. It is not simply about taking a small amount of water; it is a rigorous scientific process aimed at subsequent laboratory analysis of various physical, chemical, and biological indicators. The results are used to understand the nature, concentration, composition, and variation patterns of the wastewater. Wastewater testing requires sampling outdoor wastewater sources, necessitating the use of sampling equipment. Among existing sewage discharge collection devices, such as the one authorized by announcement number CN220568475U, this utility model relates to the field of water quality testing devices and discloses an ecological environment testing sewage sampling device. The front end of the sewage sampling rod is fixedly connected to a support plate, and the front end of the support plate is fixedly connected to a sampling needle. The sewage sampling rod is internally equipped with a sampling tube, and the rear end of the sampling tube is movably connected to a piston rod. The side end of the sewage sampling rod is fixedly connected to a rotating seat, and the outer end of the rotating seat is equipped with a rotating rod. An adjustment device is provided on the rotating seat. This ecological environment testing sewage sampling device can extend and retract the sewage sampling rod using the adjustment device. After extension and retraction, the sewage sampling rod can extend the needle into the sewage area of ​​the lake. After contacting the sewage area, the adjustment device can be used to draw the sewage from the internal sampling tube of the sewage sampling rod through the needle, making it convenient for the sampling tube to extract the sewage. This sampling device can extract sewage from distant sewage areas by extension and retraction. The aforementioned patent uses a telescopic structure, but the structure is square. The square telescopic structure has poor sealing performance, its operating mechanism is complex, the mechanical structure for suction operation is costly, and the interlayer is poorly sealed and prone to seepage. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a wastewater discharge sample collection device for environmental protection engineering, which solves the problems of poor sealing and the complexity and high cost of the sampling operation mechanism.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a wastewater discharge sample collection device for environmental protection engineering, comprising a wastewater collection suction cylinder, a threaded mounting cap connected to the upper surface of the wastewater collection suction cylinder by a thread, a protruding tube opening at the upper end of the threaded mounting cap, an operating rod slidably connected to the inner surface of the protruding tube opening, a suction piston block fixedly connected to the bottom of the operating rod, a suction protruding tube opening on the lower surface of the wastewater collection suction cylinder, a threaded protrusion on the end face of the operating rod, an extension external rod connected to the outer surface of the threaded protrusion by a thread, a threaded protruding tube opening connected to the inner surface of the protruding tube opening by a thread, and the threaded protruding tube opening being located on the lower end surface of the extension external rod.

[0005] Preferably, a handle is slidably inserted into the inner surface of the outer end of the extension rod, and an insertion hole is provided on the outer end surface of the extension rod, with the outer surface of the handle slidably inserted into the inner surface of the insertion hole.

[0006] Preferably, the outer end surface of the handle is threaded with a plug.

[0007] Preferably, the suction piston block adopts a circular block structure, and a sealing ring is provided at the outer end of the suction piston block. The outer surfaces of the suction piston block and the sealing ring are in close contact with the inner surface of the sewage collection suction cylinder.

[0008] Preferably, the outer surface of the suction piston block is provided with an outer ring groove, and the sealing ring is embedded and engaged in the inner surface of the outer ring groove.

[0009] Preferably, both the sewage collection and suction cylinder and the protruding nozzle are made of transparent plastic, and a handle is fixedly connected to the outer surface of the sewage collection and suction cylinder.

[0010] Preferably, the outer surface of the suction port is fitted with a plug via a threaded connection.

[0011] Compared with the prior art, this utility model provides a wastewater discharge sample collection device for environmental protection engineering, which has the following beneficial effects: By adopting a detachable elliptical cylinder suction structure, it has strong sealing performance, can be equipped with external extension components, is easy to extend and retract, has a simple structure, and is easy to operate. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure; Figure 2 This is a schematic diagram of the overall structure cross-section; Figure 3 This is an enlarged view of point A; Figure 4 This is an enlarged view of point B; Figure 5 This is a partial structural diagram of the operating lever and the suction piston block.

[0013] In the diagram: 1 Wastewater collection and suction cylinder, 2 Threaded mounting cap, 3 Protruding pipe opening, 4 Operating lever, 5 Suction piston block, 6 Suction protruding pipe opening, 40 Threaded protrusion, 400 Extension rod, 31 Threaded protruding pipe opening, 300 Extension pipe, 401 Pull handle, 402 Plug, 50 Sealing ring, 100 Handle, 7 Plug. Detailed Implementation

[0014] 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.

[0015] This utility model provides a technical solution: a wastewater discharge sample collection device for environmental protection engineering, comprising a wastewater collection suction cylinder 1, a threaded mounting cover 2 connected to the upper surface of the wastewater collection suction cylinder 1 by threads, a protruding tube opening 3 at the upper end of the threaded mounting cover 2, an operating rod 4 slidably connected to the inner surface of the protruding tube opening 3, a suction piston block 5 fixedly connected to the bottom of the operating rod 4, a suction protruding tube opening 6 on the lower surface of the wastewater collection suction cylinder 1, a threaded protrusion 40 on the end face of the operating rod 4, an extension external rod 400 connected to the outer surface of the threaded protrusion 40 by threads, a threaded protruding tube opening 31 connected to the inner surface of the protruding tube opening 3 by threads, and the threaded protruding tube opening 31 being located on the lower end surface of the extension external rod 300; by adopting a detachable circular cylinder suction structure, it has strong sealing performance, can be equipped with external extension components, is easy to extend and retract, has a simple mechanism, and is easy to operate; A handle 401 is slidably inserted into the inner surface of the outer end of the extension rod 400. An insertion hole is provided on the outer end surface of the extension rod 400, and the outer surface of the handle 401 is slidably inserted into the insertion hole. This facilitates the installation of the handle 401 for splicing. During suction, the handle 401 can be pulled, which can easily pull the extension rod 400, drive the operating rod 4 to move, and drive the suction piston block 5 to pull and suction. It is convenient to control, simple to operate, simple in mechanism, and low in cost. A plug 402 is threadedly connected to the outer end surface of the handle 401; the plug 402 is fixedly installed on the outer end of the handle 401, which will not cause the handle 401 to slip off, and is easy to seal and position; it is convenient to use. The suction piston block 5 adopts a circular block structure, and a sealing ring 50 is provided at the outer end of the suction piston block 5. The outer surfaces of the suction piston block 5 and the sealing ring 50 are in close contact with the inner surface of the sewage collection suction cylinder 1; this facilitates sealing and prevents leakage during suction. The outer surface of the suction piston block 5 is provided with an outer ring groove, and the sealing ring 50 is embedded and snapped into the inner surface of the outer ring groove; this facilitates the installation of the sealing ring 50 and makes installation convenient; both the sewage collection suction cylinder 1 and the protruding pipe 3 are made of transparent plastic material, which makes it easy to observe, and the outer surface of the sewage collection suction cylinder 1 is fixedly connected to a handle 100; it is convenient to carry after suction, and can be carried by gripping the handle 100, making it easy to use; The outer surface of the suction protrusion 6 is connected to a plug 7 by a thread; when not in use, the suction protrusion 6 can be sealed by covering it with the plug 7. The working principle of this device is as follows: During use, a protruding tube opening 3 is provided at the upper end of the threaded mounting cover 2. An operating rod 4 is slidably connected to the inner surface of the protruding tube opening 3. A suction piston block 5 is fixedly connected to the bottom of the operating rod 4. A suction protruding tube opening 6 is provided on the lower surface of the sewage collection suction cylinder 1. A threaded protrusion 40 is provided on the end face of the operating rod 4. An extension external rod 400 is connected to the outer surface of the threaded protrusion 40 by threads. A threaded protruding tube opening 31 is connected to the inner surface of the protruding tube opening 3 by threads. The threaded protruding tube opening 31 is located on the lower end surface of the extension external rod 300. This facilitates the addition of external extension components, which can extend the overall suction length and allow for the insertion into sewage sources at different depths to collect sewage samples. Sampling is flexible and convenient. Furthermore, a handle 401 is slidably inserted into the inner surface of the outer end of the extended external rod 400. An insertion hole is provided on the outer end surface of the extended external rod 400, and the outer surface of the handle 401 slidably inserts into the inner surface of the insertion hole. This facilitates the installation of the handle 401 for splicing. During suction, the handle 401 can be pulled, which easily pulls the extended external rod 400, causing the operating rod 4 to move and thus driving the suction piston block 5 to perform suction. It is easy to control, simple to operate, has a simple mechanism, and is low in cost. In use, the suction convex port 6 is inserted into the water for suction, and the suction piston block 5 can be pulled to perform suction. The suction piston block 5 adopts a circular block structure, and a sealing ring 50 is provided at its outer end. The outer surfaces of the suction piston block 5 and the sealing ring 50 are tightly attached to the inner surface of the sewage collection suction cylinder 1, facilitating a tight seal and preventing leakage during suction, thus improving sealing performance. Furthermore, the upper surface of the sewage collection and suction cylinder 1 is connected to a threaded mounting cover 2 by a thread. The upper end of the threaded mounting cover 2 is provided with a protruding pipe opening 3. The threaded mounting cover 2 can be twisted to install and remove. The internal suction piston block 5 and operating lever 4 can be removed. The inside of the sewage collection and suction cylinder 1 is easy to clean. All structures can be disassembled and cleaned, making it convenient to use.

[0016] 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.

[0017] 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. An environmental protection engineering sewage discharge sample collection device, comprising a sewage collection suction cylinder (1), characterized in that: The upper surface of the sewage collection suction cylinder (1) is connected to a threaded mounting cover (2) by a thread. The upper end of the threaded mounting cover (2) is provided with a protruding pipe opening (3). The inner surface of the protruding pipe opening (3) is slidably connected to an operating lever (4). The bottom of the operating lever (4) is fixedly connected to a suction piston block (5). The lower surface of the sewage collection suction cylinder (1) is provided with a suction protruding pipe opening (6). The end face of the operating lever (4) is provided with a threaded protrusion (40). The outer surface of the threaded protrusion (40) is connected to an extension external rod (400) by a thread. The inner surface of the protruding pipe opening (3) is connected to a threaded protruding pipe opening (31) by a thread. The threaded protruding pipe opening (31) is located on the lower end surface of the extension external pipe opening (300). ​ 2. The sewage discharge sample collection device for environmental protection engineering according to claim 1, characterized in that: A handle (401) is slidably inserted into the inner surface of the outer end of the extension rod (400). An insertion hole is provided on the outer end surface of the extension rod (400), and the outer surface of the handle (401) is slidably inserted into the inner surface of the insertion hole.

3. The wastewater discharge sample collection device for environmental protection engineering of claim 2, characterized in that: The outer end surface of the handle (401) is connected to a plug (402) by a thread.

4. The wastewater discharge sample collection device for environmental protection engineering of claim 1, wherein: The suction piston block (5) adopts a circular block structure, and a sealing ring (50) is provided at the outer end of the suction piston block (5). The outer surfaces of the suction piston block (5) and the sealing ring (50) are in close contact with the inner surface of the sewage collection suction cylinder (1).

5. The wastewater discharge sample collection device for environmental protection engineering of claim 4, wherein: The outer surface of the suction piston block (5) is provided with an outer ring groove, and the sealing ring (50) is embedded and snapped into the inner surface of the outer ring groove.

6. The wastewater discharge sample collection device for environmental protection engineering of claim 1, wherein: The sewage collection suction cylinder (1) and the protruding pipe (3) are both made of transparent plastic, and a handle (100) is fixedly connected to the outer surface of the sewage collection suction cylinder (1).

7. The wastewater discharge sample collection device for environmental protection engineering of claim 1, wherein: The outer surface of the suction port (6) is connected to a plug (7) by a thread.

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