Pipeline fixing mechanism for processor nozzle cooling device

Abstract

The utility model discloses a pipeline fixing mechanism for a processor nozzle cooling device, and relates to the technical field of urea nozzle cooling, the pipeline fixing mechanism comprises a pipeline pump, a nozzle base, a urea liquid inlet pipe, a cooling pipe joint B, a cooling pipe joint A, a urea pipe cooling pipeline, an adapter pipe joint A, a shunt pipe A, an adapter pipe joint B and a shunt pipe B; a pump water inlet pipe is processed at the top of the pipeline pump; a pump water outlet pipe is processed on one side of the pipeline pump; according to the technical scheme, clamping seats are buckled between an annular groove and a circular ring through clamping grooves, the two clamping seats are installed between an adapter pipe head B and a cooling pipe joint B and between an adapter pipe head A and a cooling pipe joint A respectively, one side of a limiting strip is assembled to one side of a transverse strip, and the two ends of the limiting strip can stretch into the clamping grooves in the clamping seats respectively; and the pipeline pump is mounted on one side of the L-shaped plate from the top to the bottom, so that the pipeline pump can be in a fixed state, and the connection work between corresponding pipelines is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of urea nozzle cooling technology, specifically a pipeline fixing mechanism for a processor nozzle cooling device. Background Technology

[0002] The cooling principle of the urea nozzle in a diesel generator aftertreatment system is achieved by utilizing the engine's cooling system. The urea nozzle operates under high temperature and high pressure, therefore requiring coolant for cooling. Specifically, the urea nozzle has two coolant connectors inside, each with an outer diameter of 10mm. These connectors are connected to the engine's cooling system, and the coolant cools the nozzle, ensuring its normal operation.

[0003] Urea injectors are a crucial component of diesel vehicle SCR systems. Their primary function is to inject bonded urea solution into the vehicle's exhaust aftertreatment system, where a chemical reaction converts nitrogen oxides (NOx) in the exhaust gas into harmless nitrogen and water vapor, significantly reducing diesel vehicle emissions. The urea injector uses a high-pressure system to inject urea solution into the catalyst. Inside the injector, the urea solution is heated and transformed into ammonia, which then reacts with NOx in the exhaust gas on the catalyst, purifying the exhaust.

[0004] The urea nozzle structure includes a hydraulic interface, an electrical interface, a urea injection valve, a nozzle body, a heating guard plate, and a sealing disc. The hydraulic interface has two coolant connectors and one urea connector, while the electrical interface has a two-pin plug that connects to the ECU. The urea injection valve executes the injection commands from the ECU, and the nozzle body and heating guard plate have radially distributed nozzle holes for urea injection. Common faults include electrical faults and nozzle blockage. Electrical faults can be troubleshooted by checking the wiring harness and resistance values, while nozzle blockage requires cleaning or replacing the nozzle.

[0005] Urea nozzle cooling is crucial in the process of injecting bonded urea solution into the vehicle's exhaust aftertreatment system. However, urea nozzle cooling failure is relatively common, and its consequences include: urea solution cannot be injected properly, thus affecting the efficiency of the exhaust aftertreatment system and leading to excessive nitrogen oxide emissions; the urea nozzle malfunctions, affecting engine combustion efficiency, resulting in reduced vehicle power and weaker acceleration; reduced combustion efficiency increases fuel consumption, leading to higher fuel costs and increased operating costs; cooling failure may cause the engine management system to detect abnormalities, illuminating the malfunction indicator lamp; and it can affect the normal operation of the exhaust aftertreatment system, causing system failure and further impacting the vehicle's emissions performance.

[0006] The causes of urea nozzle cooling failure generally include nozzle blockage, damage to internal nozzle parts, and urea solution supply system malfunction. During actual use, urea nozzles need to be continuously cooled. Therefore, after the engine is shut down, continued cooling can prevent nozzle channel blockage. However, due to the relatively confined environment of the urea nozzle, the components that assist in its cooling are not easily installed. Summary of the Invention

[0007] To overcome the shortcomings of the prior art, this application provides a pipeline fixing mechanism for a processor nozzle cooling device. By having the retainer engage with the annular groove and the ring via a retaining groove, two retainers are respectively installed between the adapter connector B and the cooling pipe connector B, and between the adapter connector A and the cooling pipe connector A. One side of the limiting strip is fitted to one side of the horizontal bar, allowing both ends of the limiting strip to extend into the retaining groove on the retainer, thereby preventing the retainer from connecting to the adapter connector B and the cooling pipe connector B, and from connecting to the adapter connector A and the cooling pipe connector A. The pipeline pump is installed from top to bottom onto one side of the L-shaped plate, keeping the pipeline pump in a fixed state, facilitating the connection between the corresponding pipelines. This achieves stable connections between the adapter connector B and the cooling pipe connector B, and between the adapter connector A and the cooling pipe connector A, and the remaining parts requiring pipeline connection can be connected using existing technologies.

[0008] The technical solution adopted by the embodiments of this application to solve its technical problem is:

[0009] A pipeline fixing mechanism for a processor nozzle cooling device includes a pipeline pump;

[0010] Nozzle base;

[0011] A urea inlet pipe is assembled and connected to the middle of the nozzle base. Cooling pipe connector B and cooling pipe connector A are assembled and connected to two corners on one side of the nozzle base. A transition pipe connector A is provided at the other end of the cooling pipe connector A, and a transition pipe connector B is provided at the other end of the cooling pipe connector B. A fastener is provided between the transition pipe connector B and the cooling pipe connector B, and between the transition pipe connector A and the cooling pipe connector A. The fastener includes a horizontal bar, and both ends of the horizontal bar are integrally formed with a retainer.

[0012] The two mounting brackets are respectively installed between adapter B and cooling pipe connector B, and between adapter A and cooling pipe connector A, restricting adapter B and cooling pipe connector B, and between adapter A and cooling pipe connector A from being far apart.

[0013] Preferably, the surfaces of both adapter A and adapter B are machined with annular grooves, and the surfaces of both cooling pipe connectors A and B are integrally formed with a ring. The exterior of both cooling pipe connectors A and B is fitted with a rubber gasket. The interior of one side of each of the two card holders is machined with a card slot, and the card holder is fastened to the annular groove and the ring through the card slot.

[0014] Preferably, a limiting strip is assembled on one side of the horizontal bar, and the two ends of the limiting strip extend into the slots on the card holder, thereby restricting the card holder from being connected to the adapter pipe B and the cooling pipe connector B, and preventing the card holder from being connected to the adapter pipe A and the cooling pipe connector A.

[0015] Preferably, an L-shaped plate is integrally formed on the top of one side of the horizontal bar, and the pipeline pump is installed from the top to the bottom onto one side of the L-shaped plate.

[0016] Preferably, a urea cooling pipe is assembled between one end of the cooling pipe connector B and the cooling pipe connector A. The urea cooling pipe bypasses the outside of one end of the urea inlet pipe and reduces the temperature of the urea pipe when the urea flows through the inside of the urea inlet pipe.

[0017] Preferably, a heat insulation sheet is jointly assembled on the outside of the cooling pipe joint B and the cooling pipe joint A, and a branch pipe A perpendicular to it is machined in the middle of the adapter pipe A, and a branch pipe B perpendicular to it is machined in the middle of the adapter pipe B.

[0018] The engine coolant enters the interior of the cooling pipe joint A through the adapter pipe A, and flows back from the interior of the cooling pipe joint B through the adapter pipe B. The engine coolant flows to the split pipe B through the split pipe A and the pipeline pump.

[0019] Preferably, the top of the pipeline pump is provided with a pump inlet pipe, and one side of the pipeline pump is provided with a pump outlet pipe; one end of the diverter pipe A and one end of the pump inlet pipe, and one end of the pump outlet pipe and one end of the diverter pipe B are all connected by flexible hoses.

[0020] In summary, this utility model has at least one of the following beneficial technical effects:

[0021] In this solution, the card holders are fastened to the annular groove and the circular ring via the card slots. Two card holders are installed between adapter B and cooling pipe connector B, and between adapter A and cooling pipe connector A, respectively. One side of the limiting strip is assembled to one side of the horizontal bar, allowing both ends of the limiting strip to extend into the card slots on the card holders. This restricts the connection between the card holders and adapter B and cooling pipe connector B, and between the card holders and adapter A and cooling pipe connector A. This helps ensure the connection stability between adapter B and cooling pipe connector B, and between adapter A and cooling pipe connector A. The remaining pipe sections can be connected using existing technologies. The pipeline pump is installed on one side of the L-shaped plate, facilitating the connection between the corresponding pipelines and saving space. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is an exploded structural diagram of the buckle frame of this utility model;

[0024] Figure 3 This is a cross-sectional view of the horizontal bar of this utility model;

[0025] Figure 4 This is a schematic diagram of the connection structure between the buckle and the pipeline pump of this utility model.

[0026] Reference numerals in the attached diagram: 1. Pipeline pump; 2. Pump inlet pipe; 3. Pump outlet pipe; 4. Connector A; 5. Diverter A; 6. Nozzle base; 7. Cooling pipe connector A; 8. Limiting strip; 9. Buckle; 901. L-shaped plate; 902. Card holder; 903. Horizontal bar; 10. Heat insulation sheet; 11. Connector B; 12. Urea inlet pipe; 13. Diverter B; 14. Cooling pipe connector B; 15. Annular groove; 16. Rubber gasket; 17. Circular ring; 18. Card slot. Detailed Implementation

[0027] A pipe fixing mechanism for a processor nozzle cooling device, such as Figures 1-4 As shown, it includes a pipeline pump 1 and a nozzle base 6. A urea inlet pipe 12 is assembled and connected to the middle of the nozzle base 6. A cooling pipe connector B14 and a cooling pipe connector A7 are assembled and connected to two corners on one side of the nozzle base 6. A pump inlet pipe 2 is machined on the top of the pipeline pump 1, and a pump outlet pipe 3 is machined on one side of the pipeline pump 1.

[0028] like Figure 1 and Figure 2As shown, the other end of the cooling pipe connector A7 is provided with a transition pipe connector A4. The cooling pipe connector B14 and the cooling pipe connector A7 are jointly equipped with a heat insulation plate 10. A diversion pipe A5 perpendicular to it is machined in the middle of the transition pipe connector A4. The other end of the cooling pipe connector B14 is provided with a transition pipe connector B11. A diversion pipe B13 perpendicular to it is machined in the middle of the transition pipe connector B11.

[0029] Among them, a flexible hose is connected between one end of the split pipe A5 and one end of the pump inlet pipe 2, and between one end of the pump outlet pipe 3 and one end of the split pipe B13. Under normal conditions, a urea cooling pipe is assembled and connected between one end of the cooling pipe joint B14 and one end of the cooling pipe joint A7, so that the urea cooling pipe bypasses the outside of one end of the urea inlet pipe 12. The engine coolant enters the interior of the cooling pipe joint A7 through the adapter A4, and flows back from the interior of the cooling pipe joint B14 through the adapter B11. The engine coolant flows to the split pipe B13 through the split pipe A5 and the pipeline pump 1. When the urea flows through the interior of the urea inlet pipe 12, the temperature of the urea pipe is reduced, thereby reducing the temperature of the urea.

[0030] Secondly, such as Figures 2 to 4 As shown, a fastener 9 is provided between adapter B11 and cooling pipe connector B14, and between adapter A4 and cooling pipe connector A7. The fastener 9 includes a horizontal bar 903, and both ends of the horizontal bar 903 are integrally formed with a retainer 902.

[0031] Both adapter A4 and adapter B11 have annular grooves 15 machined on one end of their surfaces. Both cooling pipe connectors A7 and B14 have annular rings 17 integrally formed on one end of their surfaces. Both cooling pipe connectors A7 and B14 have rubber gaskets 16 sleeved on the outside of one end of their surfaces. Both card slots 18 are machined on the inside of one side of each card slot 902.

[0032] In order to facilitate the connection between adapter A4 and cooling pipe connector A7, and between adapter B11 and cooling pipe connector B14, the retainer 902 is fastened to the annular groove 15 and the ring 17 by means of the retainer groove 18. The two retainers 902 are respectively installed between adapter B11 and cooling pipe connector B14, and between adapter A4 and cooling pipe connector A7, which can limit the adapter B11 and cooling pipe connector B14, and between adapter A4 and cooling pipe connector A7 from moving away from each other.

[0033] At the same time, to prevent the horizontal bar 903 from falling off after being fastened between adapter A4 and cooling pipe connector A7 or adapter B11 and cooling pipe connector B14, such as Figure 3 and Figure 4As shown, a limiting strip 8 is assembled on one side of the horizontal bar 903. The two ends of the limiting strip 8 extend into the slots 18 on the card holder 902, respectively, to restrict the card holder 902 from connecting to the adapter pipe B11 and the cooling pipe connector B14, and to disconnect the card holder 902 from the adapter pipe A4 and the cooling pipe connector A7 (while the connection method of one end of the adapter pipe B11, adapter pipe A4, diverter pipe A5, pump inlet pipe 2, pump outlet pipe 3 and diverter pipe B13 adopts existing technical means).

[0034] Secondly, to facilitate fixing the pipeline pump 1, such as Figure 4 As shown, an L-shaped plate 901 is integrally formed on the top of one side of the horizontal bar 903. By installing the pipeline pump 1 from top to bottom onto one side of the L-shaped plate 901, the pipeline pump 1 can be fixed in a fixed state, which facilitates the connection work between the corresponding pipelines.

[0035] This utility model discloses a pipeline fixing mechanism for a processor nozzle cooling device. By connecting one end of the cooling pipe connector B14 and the cooling pipe connector A7 to the adapter connector B11 with a shunt pipe B13 and the adapter connector A4 with a shunt pipe A5, and connecting the pipeline pump 1 between the shunt pipe A5 and the shunt pipe B13 through a pipeline, a loop can be formed between the pipeline pump 1 and the urea pipe cooling pipeline when the pipeline pump 1 is actively working, so that the engine coolant can circulate within a small range, which makes it convenient for the urea pipe to be cooled for a period of time when the engine is stopped.

[0036] Meanwhile, by having the card holder 902 fasten to the annular groove 15 and the circular ring 17 via the card groove 18, and by installing the two card holders 902 between the adapter B11 and the cooling pipe connector B14, and the adapter A4 and the cooling pipe connector A7 respectively, and by assembling one side of the limiting strip 8 to one side of the crossbar 903, the two ends of the limiting strip 8 can be inserted into the card groove 18 on the card holder 902, thereby restricting the card holder 902 from being connected to the adapter B11 and the cooling pipe connector B14, and from the card holder 902 to the adapter A4 and the cooling pipe connector A7. This helps to ensure the connection stability of the adapter B11 and the cooling pipe connector B14, and the adapter A4 and the cooling pipe connector A7. Furthermore, the remaining parts that need to be connected can be connected using existing technologies.

[0037] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A pipe fixing mechanism for a processor nozzle cooling device, characterized in that, include: Pipeline pump (1); Nozzle base (6); The nozzle base (6) is assembled with a urea inlet pipe (12) in the middle. Cooling pipe connector B (14) and cooling pipe connector A (7) are assembled at two corners on one side of the nozzle base (6). A adapter pipe A (4) is provided at the other end of the cooling pipe connector A (7), and an adapter pipe B (11) is provided at the other end of the cooling pipe connector B (14). A fastener (9) is provided between the adapter B (11) and the cooling pipe connector B (14), and between the adapter A (4) and the cooling pipe connector A (7). The fastener (9) includes a horizontal bar (903), and both ends of the horizontal bar (903) are integrally formed with a retainer (902). Among them, the two card holders (902) are respectively installed between the adapter B (11) and the cooling pipe connector B (14), and between the adapter A (4) and the cooling pipe connector A (7), restricting the adapter B (11) and the cooling pipe connector B (14), and between the adapter A (4) and the cooling pipe connector A (7) from being far apart from each other.

2. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 1, characterized in that: The surfaces of one end of the adapter A (4) and adapter B (11) are machined with annular grooves (15), the surfaces of one end of the cooling pipe joint A (7) and cooling pipe joint B (14) are integrally formed with a ring (17), and the outer sides of one end of the cooling pipe joint A (7) and cooling pipe joint B (14) are connected with rubber gaskets (16) in a sleeve-type manner. Among them, the interior of one side of each of the two card holders (902) is machined with a card groove (18), and the card holder (902) is fastened to the annular groove (15) and the circular ring (17) through the card groove (18).

3. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 1, characterized in that: One side of the horizontal bar (903) is fitted with a limiting strip (8), and both ends of the limiting strip (8) extend into the slot (18) on the card seat (902) to restrict the card seat (902) from connecting to the adapter pipe B (11) and the cooling pipe connector B (14), and the card seat (902) from connecting to the adapter pipe A (4) and the cooling pipe connector A (7).

4. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 1, characterized in that: An L-shaped plate (901) is integrally formed on the top of one side of the horizontal bar (903), and the pipeline pump (1) is installed from the top to the bottom on one side of the L-shaped plate (901).

5. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 1, characterized in that: A urea cooling pipe is assembled between one end of the cooling pipe connector B (14) and the cooling pipe connector A (7). The urea cooling pipe bypasses the outside of one end of the urea inlet pipe (12) and reduces the temperature of the urea pipe when the urea flows through the inside of the urea inlet pipe (12).

6. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 1, characterized in that: The cooling pipe connector B (14) and the cooling pipe connector A (7) are jointly fitted with a heat insulation plate (10). The middle part of the adapter A (4) is machined with a branch pipe A (5) that is perpendicular to it. The middle part of the adapter B (11) is machined with a branch pipe B (13) that is perpendicular to it. The engine coolant enters the interior of the cooling pipe joint A (7) through the adapter pipe A (4) and flows back from the interior of the cooling pipe joint B (14) through the adapter pipe B (11). The engine coolant flows to the split pipe B (13) through the split pipe A (5) and the pipeline pump (1).

7. The pipeline fixing mechanism for a processor nozzle cooling device as described in claim 6, characterized in that: The top of the pipeline pump (1) is machined with a pump inlet pipe (2), and the side of the pipeline pump (1) is machined with a pump outlet pipe (3). The ends of the diversion pipe A (5) and the pump inlet pipe (2), and the ends of the pump outlet pipe (3) and the diversion pipe B (13) are all connected by flexible hoses.

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