Waste gas bypass valve pressure adjusting structure

By coordinating the bypass valve, connecting rod, and diaphragm actuator, and combining the design of the turbine pressure sensor and pump wheel, the problem of the complex adjustment structure of the existing exhaust bypass valve is solved, realizing precise pressure control of the turbocharger and exhaust gas diversion management, thereby improving the system's reliability and environmental performance.

CN223634782UActive Publication Date: 2025-12-05JINAN BAIHUI AUTOMOBILE PARTS
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Patent Information

Application Number
CN202520357401.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-05
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing waste gas bypass valve has a complex adjustment structure, which increases the difficulty of operation and reduces the adjustment efficiency and ease of use.

Method used

By employing a bypass valve, connecting rod, and diaphragm actuator, and through the design of a turbine pressure sensor and pump wheel, precise pressure control of the turbocharger and diversion management of exhaust gas are achieved. Combined with a cooler for gas treatment, this ensures stable system operation.

Benefits of technology

It improves the system's reliability and environmental performance, reduces the risk of failure, ensures precise management of exhaust emissions, extends the service life of equipment, and enhances the overall system efficiency and performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bypass valves, and discloses a waste gas bypass valve pressure adjusting structure which comprises a generator, a fixing pipe is fixedly installed on the outer surface of the generator, a second protection cover is fixedly installed at one end of the fixing pipe, and a third gas outlet pipe is fixedly installed on the right side and the left side of the generator. A first air outlet pipe is fixedly installed on the outer surface of the third air outlet pipe and the outer surface of the fixing pipe, and a turbine is movably installed in the second protection cover. Compared with a traditional structure, the pressure of the turbine can be conveniently controlled through cooperation of the bypass valve, the linkage rod and the diaphragm capsule actuator, it can be ensured that gas smoothly enters the protection cover through the generator and the fixing pipe and is exhausted when the internal pressure of the turbine is appropriate, efficient operation of a system is maintained, and when the pressure exceeds the standard, the pressure of the turbine can be effectively controlled. The diaphragm capsule actuator responds rapidly, the bypass valve is opened through the linkage rod, and waste gas is effectively shunted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bypass valve technical field, more specifically, the utility model relates to a waste gas bypass valve pressure regulating structure. BACKGROUND

[0002] Waste gas bypass valve pressure regulating structure is a device that controls the rotational speed of waste gas turbine and intake impeller by adjusting the amount of exhaust gas entering the turbine, thereby changing the supercharging pressure. It usually includes the waste gas bypass valve itself and the pressure control mechanism connected to it. When the supercharging pressure of the turbocharging system exceeds the preset value, this structure can quickly respond by adjusting the opening of the waste gas bypass valve to bypass part of the exhaust gas from the turbine, thereby achieving accurate regulation of the supercharging pressure. This process helps to protect the turbocharger and other engine components from excessive pressure damage, while ensuring stable operation and high performance of the engine under various operating conditions. The bypass valve in the prior art is connected to the extrusion cover through the threads on the upper end of the valve body, which realizes the rotation of the extrusion cover to push the lower extrusion plate and piston, and then compresses the extrusion spring to tighten the sealing plug, thereby quickly adjusting the pressure value of the bypass valve. However, this design requires an additional step to fix the position of the extrusion cover after adjusting the relative position of the extrusion cover, which not only increases the complexity of the operation, but also reduces the adjustment efficiency and convenience of the bypass valve. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a waste gas bypass valve pressure regulating structure, which has the advantage of facilitating the regulation of bypass valve pressure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste gas bypass valve pressure regulating structure, comprising a generator, the outer surface of the generator is fixedly installed with a fixed pipe, one end of the fixed pipe is fixedly installed with a second protective cover, the right and left sides of the generator are fixedly installed with a third air outlet pipe, the outer surfaces of the third air outlet pipe and the fixed pipe are fixedly installed with a first air outlet pipe, the inside of the second protective cover is movably installed with a turbine, the inside of the first air outlet pipe is movably installed with a bypass valve, the outer surface of the bypass valve is fixedly installed with a linkage rod, and one end of the linkage rod penetrates into the inside of the first air outlet pipe, one end of the linkage rod is fixedly installed with a diaphragm box actuator.

[0005] As a preferred technical scheme of the utility model, turbine supercharger is fixedly installed on the right side of the second protective cover, one end of the turbine supercharger is fixedly installed with the first protective cover, the outer surface of the first protective cover is fixedly installed with the second connecting pipe, one end of the second connecting pipe is fixedly installed with the cooler, one end of the cooler is fixedly installed with the first connecting pipe, the inside of the first connecting pipe is fixedly installed with the fixed box, one end of the fixed box is fixedly installed with the second air outlet pipe, one end of the second air outlet pipe is fixedly connected with the generator, and the inside of the first protective cover is movably installed with the pump wheel.

[0006] As a preferred technical scheme of the utility model, the outer surface of the linkage rod is fixedly installed with the support frame, and one end of the support frame is fixedly connected with the diaphragm box actuator.

[0007] As a preferred technical scheme of the utility model, the outer side of the turbine is fixedly installed with the fixed plate, and the fixed plate presents two shapes of the same size.

[0008] As a preferred technical scheme of the utility model, the inner diameter value of the support frame is equal to the outer diameter value of the linkage rod, and the inside of the support frame has a light surface design.

[0009] As a preferred technical scheme of the utility model, the inside of the fixed box is fixedly installed with the turbine pressure sensor, and the turbine pressure sensor adopts the model of MPVGCU.

[0010] As a preferred technical scheme of the utility model, the first connecting pipe and the second connecting pipe are fixedly installed with the cooler, and the outer surface of the cooler is provided with a grid-shaped shape.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、 compared with the traditional structure, the structure is convenient for controlling the pressure of the turbine through the cooperation between the bypass valve, the linkage rod and the diaphragm box actuator, can ensure that the gas enters the protective cover and is discharged smoothly through the generator and the fixed pipe when the pressure in the turbine is appropriate, maintains the efficient operation of the system, when the pressure exceeds the standard, the diaphragm box actuator responds quickly, opens the bypass valve through the linkage rod, effectively shunts the exhaust gas, prevents the system from overloading, finely controls the turbine exhaust pressure, also guarantees the stable operation of the system, reduces the fault risk, at the same time, the fine management of the exhaust emission also meets the environmental protection requirement, improves the reliability and environmental protection performance of the overall system.

[0013] 2, the utility model discloses a structure through the cooperation between turbine and turbine pressure sensor compared with the traditional structure, the engine is protected conveniently, the pump wheel is started in the first protective cover, and external gas is introduced effectively, and the foundation is provided for subsequent gas treatment process, the stability when gas enters subsequent equipment is ensured through the cooling treatment of cooler, and the service life of equipment is prolonged, in the fixed box, turbine pressure sensor can accurately detect the pressure of turbine, and the safety and reliability of system are improved, finally, the gas that is handled slowly enters the inside of generator, and provides the necessary condition for the stable operation of generator, the whole process realizes the effective management and utilization of gas, and the efficiency and performance of overall system are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front perspective appearance structure schematic diagram of the utility model;

[0015] Figure 2 It is the front section structure schematic diagram of the utility model;

[0016] Figure 3 It is the utility model Figure 2 Amplification structure schematic diagram in place B of the utility model;

[0017] Figure 4 It is the utility model Figure 2 Amplification structure schematic diagram in place B of the utility model;

[0018] Figure 5 It is the turbine structure schematic diagram of the utility model.

[0019] In the drawing: 1, generator;2, fixed pipe;3, first protective cover;4, first air pipe;5, second protective cover;6, membrane box executor;7, turbocharger;8, first connecting pipe;9, second connecting pipe;10, cooler;11, fixed box;12, second air pipe;13, linkage rod;14, turbine pressure sensor;15, third air pipe;16, turbine;17, pump wheel;18, fixed plate;19, support frame;20, bypass valve. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0021] As Figures 1 to 5The utility model provides a waste gas bypass valve pressure regulating structure, including generator 1, the outer surface fixed mounting of generator 1 has fixed pipe 2, and one end fixed mounting of fixed pipe 2 has second protective cover 5, and the right left side fixed mounting of generator 1 has third air pipe 15, and the outer surface fixed mounting of third air pipe 15 and fixed pipe 2 has first air pipe 4, and the inside movable mounting of second protective cover 5 has turbine 16, and the inside movable mounting of first air pipe 4 has bypass valve 20, and the outer surface fixed mounting of bypass valve 20 has linkage rod 13, and one end of linkage rod 13 is penetrated in the inside of first air pipe 4, and one end fixed mounting of linkage 13 has membrane box executor 6.

[0022] The staff sets the pressure value of turbine 16 through membrane box executor 6, when the pressure value in turbine 16 is less than the set value, gas first enters the inside of fixed pipe 2 through generator 1, enters the inside of first protective cover 3 along fixed pipe 2, now opens turbine 16 and rotates in the inside of second protective cover 5, makes gas slowly discharge through third air pipe 15 through the rotation of turbine 16, when the pressure value in turbine 16 is greater than the set value, now part of waste gas enters the inside of first air pipe 4 through fixed pipe 2, slowly discharges along third air pipe 15, thereby completes turbine exhaust pressure.

[0023] The utility model discloses a waste gas bypass valve pressure regulating structure, including generator 1, the outer surface fixed mounting of generator 1 has fixed pipe 2, and one end fixed mounting of fixed pipe 2 has second protective cover 5, and the right left side fixed mounting of generator 1 has third air pipe 15, and the outer surface fixed mounting of third air pipe 15 and fixed pipe 2 has first air pipe 4, and the inside movable mounting of second protective cover 5 has turbine 16, and the inside movable mounting of first air pipe 4 has bypass valve 20, and the outer surface fixed mounting of bypass valve 20 has linkage rod 13, and one end of linkage rod 13 is penetrated in the inside of first air pipe 4, and one end fixed mounting of linkage 13 has membrane box executor 6.

[0024] The right side of the second protective cover 5 is fixedly installed with a turbocharger 7, one end of the turbocharger 7 is fixedly installed with the first protective cover 3, the outer surface of the first protective cover 3 is fixedly installed with a second connecting pipe 9, one end of the second connecting pipe 9 is fixedly installed with a cooler 10, one end of the cooler 10 is fixedly installed with a first connecting pipe 8, the inside of the first connecting pipe 8 is fixedly installed with a fixed box 11, one end of the fixed box 11 is fixedly installed with a second air outlet pipe 12, and one end of the second air outlet pipe 12 is fixedly connected with the generator 1. The inside of the first protective cover 3 is movably installed with a pump wheel 17.

[0025] By starting the pump wheel 17 in the first protective cover 3, external gas enters the inside of the second connecting pipe 9, and then the gas flows through the cooler 10 for cooling treatment. The cooled gas enters the fixed box 11 through the first connecting pipe 8. In the fixed box 11, the turbine pressure sensor 14 detects the pressure of the turbine 16. After the detection is completed, the gas slowly enters the inside of the generator 1 through the second air outlet pipe 12. Compared with the traditional structure, the cooperation between the turbine 16 and the turbine pressure sensor 14 facilitates the protection of the engine. By starting the pump wheel 17 in the first protective cover, external gas is effectively introduced, providing a basis for subsequent gas processing procedures. The cooling treatment of the gas by the cooler 10 ensures its stability when entering subsequent equipment, prolonging the service life of the equipment. In the fixed box, the turbine pressure sensor 14 can accurately detect the pressure of the turbine 16, improving the safety and reliability of the system. Finally, the treated gas slowly enters the inside of the generator 1, providing necessary conditions for the stable operation of the generator 1. The whole process realizes effective management and utilization of gas, improving the efficiency and performance of the overall system.

[0026] By starting the pump wheel 17 in the first protective cover 3, external gas enters the inside of the second connecting pipe 9, and then the gas flows through the cooler 10 for cooling treatment. The cooled gas enters the fixed box 11 through the first connecting pipe 8. In the fixed box 11, the turbine pressure sensor 14 detects the pressure of the turbine 16. After the detection is completed, the gas slowly enters the inside of the generator 1 through the second air outlet pipe 12. Compared with the traditional structure, the cooperation between the turbine 16 and the turbine pressure sensor 14 facilitates the protection of the engine. By starting the pump wheel 17 in the first protective cover, external gas is effectively introduced, providing a basis for subsequent gas processing procedures. The cooling treatment of the gas by the cooler 10 ensures its stability when entering subsequent equipment, prolonging the service life of the equipment. In the fixed box, the turbine pressure sensor 14 can accurately detect the pressure of the turbine 16, improving the safety and reliability of the system. Finally, the treated gas slowly enters the inside of the generator 1, providing necessary conditions for the stable operation of the generator 1. The whole process realizes effective management and utilization of gas, improving the efficiency and performance of the overall system.

[0027] The outer surface of the linkage rod 13 is fixedly installed with a support frame 19, and one end of the support frame 19 is fixedly connected with the diaphragm actuator 6.

[0028] Since the outer surface of the linkage rod 13 is fixedly installed with the support frame 19, and one end of the support frame 19 is fixedly connected with the diaphragm actuator 6, the support frame 19 facilitates the provision of stable protection for the linkage rod 13, ensuring the stability of the linkage rod 13 during use.

[0029] The outer side of the turbine 16 is fixedly provided with a fixed plate 18, and the fixed plate 18 has two shapes of the same size.

[0030] Since the fixed plate 18 has two shapes of the same size on the outer side of the turbine 16, the turbine 16 is stably supported, and the use efficiency of the turbine 16 in the second protective cover 5 is ensured.

[0031] The inner diameter of the support frame 19 is equal to the outer diameter of the connecting rod 13, and the inside of the support frame 19 has a smooth surface design.

[0032] Since the inside of the support frame 19 has a smooth surface design, and the inner diameter of the support frame 19 is equal to the outer diameter of the connecting rod 13, the connecting rod 13 can rotate in the support frame 19, and the stability of the connecting rod 13 during rotation of the second air outlet pipe 12 is ensured.

[0033] The inside of the fixed box 11 is fixedly provided with a turbine pressure sensor 14, and the turbine pressure sensor 14 adopts the model of MP3V5004GC6U.

[0034] Since the turbine pressure sensor 14 adopts the model of MP3V5004GC6U for use, the turbine pressure sensor 14 has excellent stability and reliability, and can stably operate for a long time in a complex engine working environment, which is due to its advanced packaging technology and material selection, so that the turbine pressure sensor 14 can maintain accurate measurement performance under harsh conditions such as high temperature, high pressure and vibration.

[0035] The first connecting pipe 8 and the second connecting pipe 9 are fixedly provided with a cooler 10, and the outer surface of the cooler 10 is provided with a grid-shaped shape.

[0036] Since the front surface of the cooler 10 has a grid-shaped shape, the heat dissipation area of the cooler 10 is increased, so that more heat can be quickly dissipated to the surrounding environment. This design optimizes the heat transfer path and improves the heat dissipation efficiency, so as to ensure that the temperature in the waste gas bypass valve pressure regulating structure is effectively controlled.

[0037] The working principle and use process of the utility model are as follows:

[0038] The staff sets the pressure value of the turbine 16 through the diaphragm box actuator 6, when the pressure value in the turbine 16 is less than the set value, the gas first enters the inside of the fixed pipe 2 through the generator 1, enters the inside of the first protective cover 3 along the fixed pipe 2, now the turbine 16 is opened in the inside of the second protective cover 5 to rotate, the rotation of the turbine 16 makes the gas slowly discharge through the third gas outlet pipe 15, when the pressure value in the turbine 16 is greater than the set value, at this time the diaphragm box actuator 6 controls the connecting rod 13 to rotate, the rotation of the connecting rod 13 opens the bypass valve 20 in the inside of the first gas outlet pipe 4, now part of the exhaust gas enters the inside of the first gas outlet pipe 4 through the fixed pipe 2, slowly discharges along the third gas outlet pipe 15, so as to complete the turbine exhaust pressure.

[0039] The outside gas enters the inside of the second connecting pipe 9 through the pump wheel 17 opened in the inside of the first protective cover 3, cools in the inside of the cooler 10 through the second connecting pipe 9, the cooled gas enters the inside of the fixed box 11 through the first connecting pipe 8, the turbine 16 in the inside of the fixed box 11 is detected by the turbine pressure sensor 14, after the detection is completed, slowly enters the inside of the generator 1 through the second gas outlet pipe 12.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pressure regulating structure of a waste gate valve, comprising a generator (1), characterized in that: The outer surface of the generator (1) is fixedly installed with a fixed tube (2), one end of the fixed tube (2) is fixedly installed with a second protective cover (5), the right and left sides of the generator (1) are fixedly installed with a third air outlet pipe (15), the outer surface of the third air outlet pipe (15) and the fixed tube (2) is fixedly installed with a first air outlet pipe (4), the inside of the second protective cover (5) is movably installed with a turbine (16), the inside of the first air outlet pipe (4) is movably installed with a bypass valve (20), the outer surface of the bypass valve (20) is fixedly installed with a connecting rod (13), one end of the connecting rod (13) penetrates into the inside of the first air outlet pipe (4), one end of the connecting rod (13) is fixedly installed with a diaphragm box actuator (6).

2. The pressure regulating structure for a waste gate valve according to claim 1, characterized in that: The right side of the second protective cover (5) is fixedly installed with a turbocharger (7), one end of the turbocharger (7) is fixedly installed with a first protective cover (3), the outer surface of the first protective cover (3) is fixedly installed with a second connecting pipe (9), one end of the second connecting pipe (9) is fixedly installed with a cooler (10), one end of the cooler (10) is fixedly installed with a first connecting pipe (8), the inside of the first connecting pipe (8) is fixedly installed with a fixed box (11), one end of the fixed box (11) is fixedly installed with a second air outlet pipe (12), one end of the second air outlet pipe (12) is fixedly connected with the generator (1), the inside of the first protective cover (3) is movably installed with a pump wheel (17).

3. The pressure regulating structure for a waste gate valve according to claim 1, wherein: The outer surface of the connecting rod (13) is fixedly installed with a support frame (19), one end of the support frame (19) is fixedly connected with the diaphragm box actuator (6).

4. The pressure regulating structure for a waste gate valve according to claim 1, wherein: The outer side of the turbine (16) is fixedly installed with a fixed plate (18), and the fixed plate (18) presents two same size shapes.

5. The pressure regulating structure for a waste gate valve according to claim 3, wherein: The inner diameter value of the support frame (19) is equal to the outer diameter value of the connecting rod (13), and the inside of the support frame (19) has a design of a smooth surface.

6. The pressure regulating structure for a waste gate valve according to claim 2, wherein: The inside of the fixed box (11) is fixedly installed with a turbine pressure sensor (14), and the turbine pressure sensor (14) adopts a model of MP3V5004GC6U.

7. The pressure regulating structure for a waste gate valve according to claim 2, wherein: The first connecting pipe (8) and the second connecting pipe (9) are fixedly installed with a cooler (10), and the outer surface of the cooler (10) is provided with a grid shape.