Modular split flow sampling conduit structure

Abstract

This utility model discloses a modular fluid distribution sampling pipeline structure, including a distribution pipe, a flow pump, a sampling pipe, and a connecting mechanism. A sampling port is provided on one outer wall of the distribution pipe. The outer side of the sampling port is fixedly connected to the flow pump via the connecting mechanism. The other end of the flow pump is fixedly connected to the sampling pipe via the connecting mechanism. The connecting mechanism includes a first connector fixedly installed on the sampling port and the sampling pipe, and a second connector fixedly installed on both ends of the flow pump. Supports are fixedly installed around the outer wall of the first connector, and a connecting rod is movably installed within the support. This utility model, through its innovative connecting mechanism of connecting rod, clamping nut, and damping shaft, allows operators to quickly replace components such as the flow pump and sampling pipe without specialized tools, significantly improving maintenance efficiency and reducing downtime costs. Combined with the built-in ball valve structure of the sampling port and the external control system of the flow pump, the sampling flow rate can be stably adjusted in real time.

Description

Technical Field

[0001] This utility model relates to the field of fluid sampling technology, and in particular to a modular fluid sampling pipeline structure. Background Technology

[0002] In fields such as petrochemicals, environmental monitoring, and industrial production, fluid sampling is a key step in quality control, component analysis, and process optimization.

[0003] Existing fluid sampling piping systems typically employ fixed connections or traditional flange connections, which have the following shortcomings in practical applications:

[0004] Traditional sampling pipelines often use welding or bolted flanges to fix the flow pump and sampling tube. Disassembly requires specialized tools such as wrenches and welding machines, making the operation process cumbersome and time-consuming. If there are angular deviations or space constraints in the pipeline installation, the difficulty of component replacement is further increased, resulting in high downtime maintenance costs. In addition, the non-modular design means that the entire pipeline must be disassembled when a component fails, significantly increasing the cost of spare parts replacement and maintenance time, making it difficult to meet the needs of efficient maintenance in industrial sites.

[0005] Existing sampling systems mostly rely on manual valves to control the diversion flow rate, lacking a coordinated adjustment mechanism with the flow pump. They are easily affected by fluctuations in the main fluid pressure, resulting in unstable sampling flow rate and deviations in sample composition.

[0006] Therefore, how to provide a modular fluid distribution sampling pipeline structure is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0007] One objective of this invention is to propose a modular fluid distribution sampling pipeline structure. This invention utilizes an innovative connection mechanism consisting of a connecting rod, a clamping nut, and a damping shaft. This allows operators to quickly replace components such as the flow pump and sampling tube without the need for specialized tools, significantly improving maintenance efficiency and reducing downtime costs. Combined with the built-in ball valve structure of the sampling port and the external control system of the flow pump, the sampling flow rate can be stably adjusted in real time, ensuring that the sample is consistent with the main fluid state and greatly improving sampling accuracy.

[0008] According to an embodiment of the present invention, a modular fluid distribution sampling pipeline structure includes a distribution pipe, a flow pump, a sampling pipe, and a connecting mechanism. A sampling port is provided on one outer wall of the distribution pipe. The outer side of the sampling port is fixedly connected to the flow pump through the connecting mechanism. The other end of the flow pump is fixedly connected to the sampling pipe through the connecting mechanism. The connecting mechanism includes a first connector fixedly installed on the sampling port and the sampling pipe, and a second connector fixedly installed on both ends of the flow pump. Supports are fixedly installed on all four sides of the outer wall of the first connector, and a connecting rod is movably installed in the support. Mounting seats are fixedly welded on all four sides of the outer wall of the second connector, and the other end of the connecting rod is fixedly installed in the mounting seat.

[0009] Furthermore, a damping shaft is provided inside the support, and the connecting rod is rotatably installed inside the support through the damping shaft and has a limiting function.

[0010] Furthermore, an external thread is provided on one side of the outer wall of the connecting rod, the pitch of the external thread is 1.5mm-2.5mm, and a clamping nut with anti-slip texture is installed on the connecting rod on the side of the external thread.

[0011] Furthermore, the mounting base has a cylindrical groove that matches the connecting rod. The depth of the groove is greater than the length of the insertion end of the connecting rod. The clamping nut is located on the outer wall of the mounting base and clamps and fixes the mounting base by engaging with the external thread.

[0012] Furthermore, the inner wall of the first connector is provided with an annular sealing groove, the cross-section of which is trapezoidal or rectangular. The outer wall of the second connector is fixedly installed with a rubber sealing ring corresponding to the sealing groove. The rubber sealing ring is made of nitrile rubber and can be tightly embedded in the sealing groove.

[0013] Furthermore, both the upper and lower ends of the diversion pipe are provided with fixed flanges, and each fixed flange has a bolt hole evenly distributed on it. An annular sealing gasket is provided at the connection between the outer wall of the fixed flange and the pipe, and the thickness of the sealing gasket is 3mm-5mm.

[0014] Furthermore, a shut-off valve is provided inside the sampling port. The shut-off valve has a ball valve structure, and the surface of the adjusting handwheel on the top of the valve is provided with anti-slip ridges. The adjusting handwheel is fixed to the valve stem of the valve by a key connection.

[0015] Furthermore, the first connector and the second connector have the same outer diameter, which is 1 / 2 to 2 / 3 of the diameter of the diverter pipe, and the inner wall of the connector is provided with a smooth transition guide slope to reduce fluid flow resistance.

[0016] Furthermore, the support and the first connector are connected by welding, and the mounting base and the second connector are fixed by welding to ensure connection strength.

[0017] Furthermore, shock-absorbing washers are provided between the two ends of the flow pump and the second connector to reduce vibration transmission during the operation of the flow pump, and the shock-absorbing washers are made of rubber.

[0018] The beneficial effects of this utility model are:

[0019] 1. In this utility model, the synergistic action of the connecting rod, clamping nut, and damping shaft enables the rapid assembly and disassembly of the flow pump, sampling tube, and diversion tube. During disassembly, simply rotate the anti-slip grooved clamping nut counterclockwise to release the connection rod from the mounting base. No special tools are required, and a single person can complete the component replacement in a short time. During installation, adjust the angle of the connecting rod by the damping shaft, align it with the slot, and tighten the clamping nut clockwise to achieve a rigid connection and seal, significantly shortening maintenance time. Furthermore, the modular disassembly design avoids frequent replacement of the entire piping system, requiring only individual maintenance of faulty components, significantly reducing spare parts costs and downtime losses.

[0020] 2. The sampling port of this utility model has a built-in ball valve structure shut-off valve, which can be quickly opened and closed and the diversion flow can be precisely controlled by the adjustment handwheel with anti-slip texture. In conjunction with the external control system of the flow pump, a stable output of sampling flow can be achieved, avoiding sample deviation caused by flow fluctuation. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of the modular fluid distribution sampling pipeline proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of the disassembled structure of the modular fluid distribution sampling pipeline structure proposed in this utility model;

[0024] Figure 3 This is a partially enlarged structural diagram of the modular fluid distribution sampling pipeline structure proposed in this utility model;

[0025] Figure 4 This is a partial enlarged structural diagram of the modular fluid distribution sampling pipeline structure proposed in this utility model.

[0026] In the diagram: 1. Diverter pipe; 2. Fixed flange; 3. Sealing gasket; 4. Sampling port; 5. Adjusting handwheel; 6. First connector; 7. Flow pump; 8. Second connector; 9. Sampling tube; 10. Slot; 11. Rubber sealing ring; 12. Sealing groove; 13. Support; 14. Damping shaft; 15. Connecting rod; 16. Mounting base; 17. External thread; 18. Clamping nut. Detailed Implementation

[0027] To make the technical means and objectives and effects of this utility model easier to understand, the embodiments of this utility model will be described in detail below with reference to specific figures.

[0028] It should be noted that all directional and positional terms used in this utility model, such as "up," "down," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," "top," "lower," "lateral," "longitudinal," and "center," are only used to explain the relative positional relationships and connections between components in a specific state (as shown in the accompanying drawings). They are merely for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, descriptions involving "first," "second," etc., in this utility model are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0029] In the description of this utility model, 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; 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.

[0030] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] like Figure 1-4As shown, this utility model discloses a modular fluid distribution sampling pipeline structure, including a distribution pipe 1, a flow pump 7, a sampling pipe 9, and a connecting mechanism. The distribution pipe 1 serves as the main component for fluid distribution, and a sampling port 4 is provided on one outer wall of the distribution pipe 1 to draw out the portion to be sampled from the fluid within the distribution pipe 1. The outer side of the sampling port 4 is fixedly connected to the flow pump 7 via the connecting mechanism. The flow pump 7 is used to control the sampling flow rate, and its other end is also fixedly connected to the sampling pipe 9 via the connecting mechanism, thus enabling the fluid regulated by the flow pump 7 to be transported to the sampling pipe 9 for sampling.

[0032] The connecting mechanism, as a key component, includes a first connector 6 fixedly installed on the sampling port 4 and the sampling tube 9, and a second connector 8 fixedly installed at both ends of the flow pump 7. The support 13 fixedly installed around the outer wall of the first connector 6 and the mounting base 16 fixedly welded around the outer wall of the second connector 8 are connected by a connecting rod 15 movably installed in the support 13.

[0033] In practical applications, this modular fluid distribution sampling pipeline structure allows for flexible combination and disassembly of its components according to different sampling needs. For example, when it is necessary to replace the flow pump 7 with a different specification, the flow pump 7 can be quickly removed from the pipeline structure by simply adjusting the connecting rod 15 and the clamping nut 18, and then the new flow pump 7 can be installed, which greatly improves the versatility and maintenance efficiency of the pipeline structure.

[0034] As an example of this application, a damping shaft 14 is provided in the support 13, so that the connecting rod 15 can be rotatably installed in the support 13 through the damping shaft 14 and has a limiting function.

[0035] As an example of this application, the connecting rod 15 has an external thread 17 with a pitch of 1.5mm-2.5mm on one side of its outer wall, and a clamping nut 18 with anti-slip texture is installed on one side of the external thread 17. The mounting base 16 has a cylindrical groove 10 adapted to the connecting rod 15, the depth of which is greater than the length of the insertion end of the connecting rod 15. During connection, the connecting rod 15 is inserted into the groove 10 of the mounting base 16, and the clamping nut 18 is rotated to engage with the external thread 17, thus clamping and fixing the mounting base 16. This connection method is not only simple in structure but also provides a firm connection, effectively preventing loosening of components during fluid transport.

[0036] As an example of this application, the inner wall of the first connector 6 is provided with an annular sealing groove 12 with a trapezoidal or rectangular cross-section, and the outer wall of the second connector 8 is fixedly installed with a rubber sealing ring 11 made of nitrile rubber. The rubber sealing ring 11 can be tightly embedded in the sealing groove 12. Nitrile rubber has good oil resistance and sealing properties, which can effectively prevent fluid leakage at the connection point and ensure the accuracy and safety of the sampling process.

[0037] As an example of this application, both the upper and lower ends of the distribution pipe 1 are provided with fixed flanges 2. Four to eight bolt holes are evenly distributed on the fixed flanges 2, and an annular sealing gasket 3 with a thickness of 3mm-5mm is provided at the connection between the outer wall of the fixed flange 2 and the pipe. The distribution pipe 1 is connected to other pipes or equipment by bolts passing through the bolt holes. Simultaneously, the annular sealing gasket 3 further enhances the sealing of the connection, preventing fluid leakage from both ends of the distribution pipe 1.

[0038] As an example of this application, a shut-off valve is provided inside the sampling port 4. The shut-off valve is a ball valve with an adjusting handwheel 5 on top of the valve having anti-slip ridges on its surface and being fixed to the valve stem by a key. The operator can conveniently and quickly control the opening and closing of the shut-off valve by rotating the adjusting handwheel 5, thereby controlling the flow of fluid through the sampling port 4 and achieving precise control of the sampling process.

[0039] As an example of this application, the first connector 6 and the second connector 8 have the same outer diameter, which is 1 / 2 to 2 / 3 of the diameter of the diverter pipe 1, and the inner wall of the connector is provided with a smooth transition guide slope. This guide slope can reduce the flow resistance of the fluid at the connection point, allowing the fluid to pass through the connection mechanism more smoothly, and avoiding the impact of excessive fluid resistance on the accuracy and efficiency of sampling.

[0040] As an example of this application, the support 13 and the first connector 6 can be connected by welding or bolts, and the mounting base 16 and the second connector 8 can be an integral structure or fixed by welding. These connection methods can ensure the connection strength, so that the connection mechanism remains stable during long-term use and will not affect the normal operation of the entire sampling pipeline structure due to loosening of the connection parts.

[0041] As an example of this application, rubber damping washers 20 are provided between the two ends of the flow pump 7 and the second connector 8, and the damping washers 20 are fitted onto the outside of the second connector 8. When the flow pump 7 is working, the damping washers 20 can effectively reduce the vibration generated by the flow pump 7 from being transmitted to other components, reduce the vibration and noise of the entire sampling pipeline structure, and also help extend the service life of each component.

[0042] The modular fluid sampling pipeline structure described in this utility model achieves modular installation and disassembly through the ingenious design and connection of each component. It has the advantages of strong connection, good sealing, flexible adjustment, and effective reduction of vibration and noise. It can meet the fluid sampling needs in different scenarios and improve the accuracy and efficiency of sampling.

[0043] Working Principle: The fluid to be sampled in the main pipeline first enters the main pipeline system through the upper and lower fixed flanges 2 of the diversion pipe 1. The sealing gasket 3 on the fixed flange 2 ensures the sealing of the connection between the diversion pipe and the main pipeline to prevent fluid leakage. When the fluid flows normally in the diversion pipe 1, the shut-off valve at the sampling port 4 is closed. The adjusting handwheel 5 fixes the valve through the valve stem, blocking the connection between the sampling port and the diversion pipe. When sampling is required, the operator rotates the adjusting handwheel 5, which drives the valve stem to rotate through the key connection, opening the shut-off valve at the sampling port 4. Part of the fluid flows from the diversion pipe 1 through the sampling port 4 to the connecting mechanism. At this time, the flow pump 7 starts and connects to the first connecting head 6 on the sampling port side through the second connecting head 8 at both ends. Using the pump's suction or pushing action, the diverted fluid is delivered to the sampling pipe 9. The working flow rate of the flow pump 7 can be adjusted by the external control system to ensure stable fluid delivery during the sampling process and avoid flow fluctuations. The flow affects the sampling accuracy. After the flow pump 7 is regulated, the fluid is connected to the first connector 6 on the sampling tube side via the second connector 8 and finally enters the sampling tube 9 to complete the sample collection. After the sampling is completed, the adjusting handwheel 5 is rotated in the opposite direction to close the shut-off valve, cut off the passage between the diversion tube and the sampling port, and at the same time stop the flow pump 7 to complete one sampling cycle. When it is necessary to disassemble the flow pump 7 or the sampling tube 9, the clamping nut 18 can be rotated counterclockwise to make it move outward along the connecting rod 15. Then the connecting rod 15 can be taken out in the cylindrical slot 10. After taking it out, the first connector 6 and the second connector 8 will no longer be fixed. Then the flow pump 7 or the sampling tube 9 can be disassembled. When installing a new part, align the second connector 8 on the new part with the original first connector 6, so that the connecting rod 15 is inserted into the cylindrical slot 10 of the mounting base 16. Then rotate the clamping nut 18 clockwise to make it move along the external thread 17 to the outer wall of the mounting base 16. By squeezing the end face of the clamping nut 18 against the outer wall of the mounting base 16, the connecting rod 15 is firmly fastened in the slot. At the same time, the rubber sealing ring 11 of the second connector 8 is embedded in the annular sealing groove 12 of the first connector 6, so as to achieve reliable connection and sealing between the components.

[0044] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A modular fluid distribution sampling pipeline structure, characterized in that, The device includes a split pipe (1), a flow pump (7), a sampling pipe (9), and a connecting mechanism. A sampling port (4) is provided on one side of the outer wall of the split pipe (1). The outer side of the sampling port (4) is fixedly connected to the flow pump (7) through the connecting mechanism. The other end of the flow pump (7) is fixedly connected to the sampling pipe (9) through the connecting mechanism. The connecting mechanism includes a first connector (6) fixedly installed on the sampling port (4) and the sampling pipe (9), and a second connector (8) fixedly installed on both ends of the flow pump (7). Supports (13) are fixedly installed on all four sides of the outer wall of the first connector (6). A connecting rod (15) is movably installed in the support (13). Mounting seats (16) are fixedly welded on all four sides of the outer wall of the second connector (8). The other end of the connecting rod (15) is fixedly installed in the mounting seat (16).

2. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The support (13) is provided with a damping shaft (14), and the connecting rod (15) is rotatably installed in the support (13) through the damping shaft (14) and has a limiting function.

3. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The connecting rod (15) has an external thread (17) on one side of its outer wall. The pitch of the external thread (17) is 1.5mm-2.5mm. A clamping nut (18) with anti-slip texture is installed on the connecting rod (15) and on the side of the external thread (17).

4. The modular fluid distribution sampling pipeline structure according to claim 3, characterized in that, The mounting base (16) has a cylindrical slot (10) that is compatible with the connecting rod (15). The depth of the slot (10) is greater than the length of the insertion end of the connecting rod (15). The clamping nut (18) is located on the outer wall of the mounting base (16) and clamps and fixes the mounting base (16) by cooperating with the external thread (17).

5. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The inner wall of the first connector (6) is provided with an annular sealing groove (12). The cross section of the sealing groove (12) is trapezoidal or rectangular. The outer wall of the second connector (8) is fixedly installed with a rubber sealing ring (11) corresponding to the sealing groove (12). The rubber sealing ring (11) is made of nitrile rubber and can be tightly embedded in the sealing groove (12).

6. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The diversion pipe (1) is provided with fixed flanges (2) at both the upper and lower ends. There are 4-8 bolt holes evenly distributed on the fixed flanges (2). An annular sealing gasket (3) is provided at the connection between the outer wall of the fixed flange (2) and the pipe. The thickness of the sealing gasket (3) is 3mm-5mm.

7. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The sampling port (4) is equipped with a stop valve. The stop valve is a ball valve structure, and the adjustment handwheel (5) on the top of the valve is provided with anti-slip ridges. The adjustment handwheel (5) is fixed to the valve stem by a key connection.

8. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The first connector (6) and the second connector (8) have the same outer diameter, which is 1 / 2 to 2 / 3 of the diameter of the diverter (1). The inner wall of the connector is provided with a smooth transition guide slope to reduce fluid flow resistance.

9. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The support (13) is welded to the first connector (6), and the mounting base (16) is welded to the second connector (8) to ensure connection strength.

10. The modular fluid distribution sampling pipeline structure according to claim 1, characterized in that, The flow pump (7) is provided with shock-absorbing washers between its two ends and the second connector (8) to reduce the vibration transmission during operation of the flow pump (7), and the shock-absorbing washers are made of rubber.

Images