Adjustable extraction tube for water quality test

Abstract

The utility model discloses an adjustable extraction tube for water quality test, which relates to the field of water quality test and comprises a main extraction tube, a connecting rod body is vertically inserted into the top end of the main extraction tube, an end push block is fixedly connected to the top end of the connecting rod body, and a discharge tube is horizontally and fixedly connected to the outer side edge of the main extraction tube. A telescopic connecting pipe is in butt joint with the bottom end of the main extraction pipe, a locking ring is arranged on the outer side edge of the telescopic connecting pipe, a movable inner block is horizontally clamped to the inner side edge of the main extraction pipe, an outer clamping groove is formed in the outer side edge of the movable inner block, and a sealing rubber ring is clamped to the inner side edge of the outer clamping groove. Turnover blocking plates are clamped to the side edge and the bottom end of the main extraction pipe, after a split structure is adopted, the size is small and convenient to carry and use after disassembly, meanwhile, under an adjustable structure, sampling use of water bodies of various depths can be met, and under the condition that disassembly is not conducted, direct discharging treatment is conducted, so that use is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality testing, in particular to an adjustable extraction tube for water quality testing. Background Art

[0002] Water is the source of life. Humans cannot live without it in their daily lives and production activities. The quality of drinking water is closely related to human health. With socioeconomic development, scientific progress, and improvements in people's living standards, people's expectations for drinking water quality are constantly increasing, and drinking water quality standards are also evolving and improving accordingly. Because the formulation of drinking water quality standards is influenced by a variety of factors, including people's living habits, culture, economic conditions, scientific and technological development, and the current status of water resources and water quality, drinking water quality requirements vary not only between countries, but also between different regions within a country.

[0003] When testing and processing water resources, it is necessary to take samples of the water. The traditional sampling structure is a single fixed extraction tube operation, which has no adjustment function and cannot be extended to the deep water for sampling. At the same time, the integrated structure makes it large and inconvenient to carry and use. After extraction, the water inside needs to be discharged before operation, which makes it inconvenient to operate. Utility Model Content

[0004] The purpose of the present utility model is to provide an adjustable extraction tube for water quality testing, so as to solve the problem raised in the above background technology that when current water resources are tested and processed, it is necessary to perform sampling operations on the water body. The traditional sampling structure is a single fixed extraction tube operation, which has no adjustment function and cannot be extended to the deep water body for sampling. At the same time, the integrated structure makes the volume larger and inconvenient to carry and use. After extraction, the water inside needs to be taken out and discharged before operation, which makes its operation not convenient.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An adjustable extraction tube for water quality testing comprises a main extraction tube, the top of the main extraction tube is vertically plugged with a connecting rod body, the top of the connecting rod body is fixedly connected to an end push block, the outer side of the main extraction tube is horizontally fixedly connected to a discharge pipe, the bottom end of the main extraction tube is docked with a telescopic connecting tube, the outer side of the telescopic connecting tube is provided with a locking ring, the inner side of the main extraction tube is horizontally clamped with a movable inner block, the outer side of the movable inner block is provided with an external clamping groove, the inner side of the external clamping groove is clamped with a sealing rubber ring, the side and bottom of the main extraction tube are clamped with a flip The plugging plate, the bottom end of the main extraction pipe is fixedly connected to a fixed bottom block, the inner side of the fixed bottom block is vertically plugged with a plug-in pipe body, the side and bottom of the main extraction pipe are provided with water holes, the outer side of the flip plugging plate is fixedly connected to a flip block, the side of the flip block is plugged with a connecting shaft, the top of the telescopic connecting pipe is provided with a top screw groove, the inner bottom end of the top screw groove is provided with a connecting hole, the inner side of the connecting hole is fixedly clamped with a sealing rubber block, the inner side of the telescopic connecting pipe is vertically fixedly connected with a spring pipe, and the bottom end of the telescopic connecting pipe is provided with a bottom through hole.

[0007] As a preferred embodiment of the present invention: the bottom end of the connecting rod body is vertically inserted into the top center hole of the main extraction pipe, and the extended bottom end is fixedly connected to the center position of the top surface of the movable inner block, and the top end of the connecting rod body is fixedly connected to the center position of the bottom surface of the end push block.

[0008] As a preferred embodiment of the present invention: one end of the discharge pipe is fixedly connected to the open end of a water hole to maintain connection, the telescopic connecting pipe adopts a multi-section telescopic rod structure, the external clamping grooves are arranged in parallel with each other in a superimposed manner, and the external clamping grooves are opened on the outside of the movable inner block near the top and bottom ends.

[0009] As a preferred embodiment of the present invention: the outer edge of the sealing rubber ring is docked and set at the inner wall position of the main extraction pipe, the flip blocking plate is clamped and set at an open end position of the water hole, the top of the fixed bottom block is fixedly connected and set at the bottom center position of the main extraction pipe, and the bottom end thread is fixedly connected and set at the inner side edge of the top screw groove.

[0010] As a preferred embodiment of the present invention: the plug-in pipe body is vertically inserted into the center position of the fixed bottom block, and the extended top end is docked at the bottom open end position of the water hole. The water holes are all opened in a through-type on the side of the main extraction pipe near the bottom end and the center position of the bottom end. The flip block is connected to the groove position of the open end of the water hole through the connecting shaft rod on the side.

[0011] As a preferred embodiment of the present invention: the top screw groove is opened at the top center position of the telescopic connecting pipe, the bottom end of the plug-in pipe body is inserted into the inner side of the connecting hole, and the plug-in bottom end passes through the sealing rubber block, the top end of the spring pipe is fixedly connected to the bottom end of the connecting hole to maintain connection, and the bottom end of the spring pipe is maintained in connection with the bottom through hole.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model sets one end of the telescopic connecting rod at the bottom position of the main extraction pipe by docking, and fixes it inside the top screw groove through the bottom thread of the fixed bottom block, and then stretches the telescopic connecting rod so that the telescopic connecting rod is pulled and adjusted to a specified length, and a locking effect is formed after the locking ring on the outer side is rotated. After holding the main extraction pipe, the bottom end of the telescopic connecting pipe is inserted and set to a specified depth of the water body, and after the push block on the opposite end is pulled upward, it drives the connecting rod body to move upward, and the connecting rod body drives the movable inner block to move upward inside the main extraction pipe 1, and under the isolation of the sealing rubber ring on the outer side, the flip end plate below is pulled out and flipped open. The side flip plug is tightly sealed, and the water is extracted through the bottom through-hole into the interior of the spring pipe, and finally enters the interior of the main extraction pipe through the plug-in pipe body for collection. After the specified amount is extracted, the connecting rod is pushed downward, so that the water squeezes and flips the bottom flip plug to seal the bottom water hole, and the water squeezes and flips the side flip plug to open it, allowing the water to be discharged outward through the discharge pipe for collection and testing. The split structure makes it compact and easy to carry after disassembly. At the same time, the adjustable structure makes it suitable for sampling water at various depths, and direct discharge without disassembly makes it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an adjustable extraction tube for water quality testing;

[0016] Figure 2 This is a structural schematic diagram of the front cross-section connection details of the main extraction tube of an adjustable extraction tube for water quality testing;

[0017] Figure 3 This is a structural schematic diagram showing an enlarged cross-section of the connection details of part A of an adjustable extraction tube for water quality testing;

[0018] Figure 4The present invention is a structural schematic diagram showing the front view cross-sectional connection details of a telescopic connecting pipe of an adjustable extraction tube for water quality testing.

[0019] In the figure: 1. Main extraction pipe; 2. Connecting rod body; 3. End push block; 4. Discharge pipe; 5. Telescopic connecting pipe; 6. Locking ring; 7. Movable inner block; 8. External snap-in groove; 9. Sealing rubber ring; 10. Flip blocking plate; 11. Fixed bottom block; 12. Insert pipe body; 13. Water hole; 14. Flip block; 15. Connecting shaft; 16. Top screw groove; 17. Connecting hole; 18. Sealing rubber block; 19. Spring pipe; 20. Bottom through hole. DETAILED DESCRIPTION

[0020] See also Figure 1 In the embodiment of the present invention, an adjustable extraction tube for water quality testing comprises a main extraction tube 1, the top of the main extraction tube 1 is vertically plugged with a connecting rod body 2, the top of the connecting rod body 2 is fixedly connected with an end push block 3, the bottom end of the connecting rod body 2 is vertically inserted into the center through hole at the top of the main extraction tube 1, and the extended bottom end is fixedly connected to the center position of the top surface of the movable inner block 7, the top of the connecting rod body 2 is fixedly connected to the center position of the bottom surface of the end push block 3, the outer edge of the main extraction tube 1 is horizontally fixedly connected with a discharge pipe 4, the bottom end of the main extraction tube 1 is docked with a telescopic connecting tube 5, one end of the discharge pipe 4 is fixedly connected to the open end of a water through hole 13 to maintain connection, the telescopic connecting tube 5 adopts a multi-section telescopic rod structure, and the outer side of the telescopic connecting tube 5 is provided with a locking ring 6;

[0021] See also Figure 2-4In the embodiment of the present invention, an adjustable extraction tube for water quality testing is provided, wherein the inner side edge of the main extraction tube 1 is horizontally connected with a movable inner block 7, and the outer side edge of the movable inner block 7 is provided with an external clamping groove 8. The external clamping grooves 8 are arranged in parallel with each other in a superimposed manner, and the external clamping grooves 8 are provided on the outer side of the movable inner block 7 near the top and bottom ends. The inner side edges of the external clamping grooves 8 are clamped with a sealing rubber ring 9, and the side and bottom ends of the main extraction tube 1 are clamped with a flip blocking plate 10. The bottom end of the main extraction tube 1 is fixedly connected with a fixed bottom block 11, which is sealed. The outer side of the sealing ring 9 is docked and set at the inner side wall position of the main extraction pipe 1, and the flip plugging plate 10 is snap-fitted and set at an open end position of the water hole 13. The top of the fixed bottom block 11 is fixedly connected and set at the center position of the bottom end of the main extraction pipe 1, and the bottom end is threaded and fixedly connected and set at the inner side of the top screw groove 16. The inner side of the fixed bottom block 11 is vertically plugged with a plug-in pipe body 12. The side and bottom end of the main extraction pipe 1 are provided with water holes 13. The outer side of the flip plugging plate 10 is fixedly connected with a flip block 14. The flip block 14 is fixedly connected to the outer side of the flip plugging plate 10. The side is plugged with a connecting shaft 15, the plug-in pipe body 12 is vertically inserted into the center of the fixed bottom block 11, and the extended top end is connected to the bottom open end of the water hole 13. The water holes 13 are all through-opened on the side of the main extraction pipe 1 near the bottom end and the center of the bottom end. The flip block 14 is connected to the open end groove position of the water hole 13 through the connecting shaft 15 on the side. The top of the telescopic connecting pipe 5 is provided with a top screw groove 16, and the inner bottom end of the top screw groove 16 is provided with a connecting hole 17. The connecting hole The inner side of 17 is fixedly connected with a sealing block 18, the inner side of the telescopic connecting tube 5 is vertically fixedly connected with a spring pipe 19, the bottom end of the telescopic connecting tube 5 is provided with a bottom through hole 20, the top screw groove 16 is provided at the top center position of the telescopic connecting tube 5, the bottom end of the plug-in tube body 12 is plugged into the inner side of the connecting hole 17, and the plug-in bottom end is provided through the sealing block 18, the top end of the spring pipe 19 is fixedly connected to the bottom end of the connecting hole 17 to maintain connection, and the bottom end of the spring pipe 19 is maintained in connection with the bottom through hole 20.

[0022] The working principle of this utility model is:

[0023] One end of the telescopic connecting rod 5 is docked and set at the bottom end position of the main extraction pipe 1, and is fixed inside the top screw groove 16 through the bottom thread of the fixed bottom block 11. Then, the telescopic connecting rod 5 is stretched so that the telescopic connecting rod 5 is pulled and adjusted to the specified length. The locking ring 6 on the outer side is rotated to form a locking effect. After holding the main extraction pipe 1, the bottom end of the telescopic connecting rod 5 is inserted and set to the specified depth of the water body. After the push block 3 at the opposite end is pulled upward, the connecting rod body 2 is driven to move upward, and the connecting rod body 2 drives the movable inner block 7 to move upward inside the main extraction pipe 1. The isolation of the sealing rubber ring 9 on the side allows the flip end plate 10 below to be extracted and flipped open, while the flip plugging plate 10 on the side is tightly sealed. The water is extracted through the bottom through hole 20 into the interior of the spring pipe 19, and finally enters the interior of the main extraction pipe 1 through the plug-in pipe body 12 for collection operation. After the specified amount is extracted, the connecting rod body 2 is pushed downward, so that the water squeezes and flips the flip plugging plate 10 at the bottom to seal the water hole 13 at the bottom, and the water squeezes and flips the flip plugging plate 10 on the side to open it, allowing the water to be discharged outward through the discharge pipe 4 for collection and testing.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable extraction tube for water quality testing, comprising a main extraction tube (1), characterized in that: The top of the main extraction pipe (1) is vertically plugged with a connecting rod body (2), the top of the connecting rod body (2) is fixedly connected with an end push block (3), the outer side of the main extraction pipe (1) is horizontally fixedly connected with a discharge pipe (4), the bottom end of the main extraction pipe (1) is docked with a telescopic connecting pipe (5), the outer side of the telescopic connecting pipe (5) is provided with a locking ring (6), the inner side of the main extraction pipe (1) is horizontally clamped with a movable inner block (7), the outer side of the movable inner block (7) is provided with an external clamping groove (8), the inner side of the external clamping groove (8) is clamped with a sealing rubber ring (9), the side and bottom of the main extraction pipe (1) are clamped with a flip blocking plate (10), the bottom end of the main extraction pipe (1) is fixedly connected with a fixed A fixed bottom block (11) is provided, and a plug-in pipe body (12) is vertically inserted into the inner side of the fixed bottom block (11). A water hole (13) is provided on the side and bottom of the main extraction pipe (1). The outer side of the flip block (10) is fixedly connected to a flip block (14). A connecting shaft (15) is inserted into the side of the flip block (14). A top screw groove (16) is provided at the top of the telescopic connecting pipe (5). A connecting hole (17) is provided at the inner bottom end of the top screw groove (16). A sealing rubber block (18) is fixedly clamped on the inner side of the connecting hole (17). A spring pipe (19) is vertically fixedly connected to the inner side of the telescopic connecting pipe (5). A bottom through hole (20) is provided at the bottom end of the telescopic connecting pipe (5).

2. The adjustable water quality testing extraction tube according to claim 1, characterized in that: The bottom end of the connecting rod body (2) is vertically inserted into the center through hole at the top end of the main extraction pipe (1), and the extended bottom end is fixedly connected to the center position of the top surface of the movable inner block (7). The top end of the connecting rod body (2) is fixedly connected to the center position of the bottom surface of the end push block (3).

3. The adjustable water quality testing extraction tube according to claim 1, characterized in that: One end of the discharge pipe (4) is fixedly connected to the open end of a water hole (13) to maintain the connection, the telescopic connecting pipe (5) adopts a multi-section telescopic rod structure, the external clamping grooves (8) are arranged in parallel with each other in a superimposed manner, and the external clamping grooves (8) are opened on the outside of the movable inner block (7) near the top and bottom ends.

4. The adjustable water quality testing extraction tube according to claim 1, characterized in that: The outer side of the sealing rubber ring (9) is connected to the inner side wall of the main extraction pipe (1), the flip blocking plate (10) is clamped and set at an open end position of the water hole (13), the top end of the fixed bottom block (11) is fixedly connected to the center position of the bottom end of the main extraction pipe (1), and the bottom end is fixedly connected to the inner side of the top screw groove (16).

5. The adjustable water quality testing extraction tube according to claim 1, characterized in that: The plug-in pipe body (12) is vertically inserted into the center of the fixed bottom block (11), and the extended top end is connected to the bottom open end of the water hole (13). The water hole (13) is opened in a through-type manner on the side of the main extraction pipe (1) near the bottom end and the center of the bottom end. The flip block (14) is connected to the groove position of the open end of the water hole (13) through the connecting shaft (15) on the side.

6. The adjustable water quality testing extraction tube according to claim 1, characterized in that: The top screw groove (16) is opened at the top center position of the telescopic connecting pipe (5), the bottom end of the plug-in pipe body (12) is plugged into the inner side of the connecting hole (17), and the plug-in bottom end is inserted through the sealing rubber block (18), the top end of the spring pipe (19) is fixedly connected to the bottom end of the connecting hole (17) and maintained in communication, and the bottom end of the spring pipe (19) is maintained in communication with the bottom through hole (20).

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